Home / 347,743.40-521,615.10-170,364.20

Finding the Fourth Proportional to 347,743.40, 521,615.10 and 170,364.20

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Solution

The fourth proportional to 347,743.40, 521,615.10 and 170,364.20 is: 255,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,743.40 : 521,615.10 = 170,364.20 : x
  2. Step 2: Convert to fraction form
    347,743.40/521,615.10 = 170,364.20/x
  3. Step 3: Cross multiply
    347,743.40x = 521,615.10 × 170,364.20
  4. Step 4: Simplify right side
    347,743.40x = 88,864,539,219.42
  5. Step 5: Solve for x
    x = 88,864,539,219.42/347,743.40
  6. Step 6: Final answer
    x = 255,546.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.