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Finding the Fourth Proportional to 374,521.35, 516,806.40 and 213,370.23

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Solution

The fourth proportional to 374,521.35, 516,806.40 and 213,370.23 is: 294,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,521.35 : 516,806.40 = 213,370.23 : x
  2. Step 2: Convert to fraction form
    374,521.35/516,806.40 = 213,370.23/x
  3. Step 3: Cross multiply
    374,521.35x = 516,806.40 × 213,370.23
  4. Step 4: Simplify right side
    374,521.35x = 110,271,100,433.47
  5. Step 5: Solve for x
    x = 110,271,100,433.47/374,521.35
  6. Step 6: Final answer
    x = 294,432.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.