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Finding the Fourth Proportional to 370,148.55, 555,444.03 and 340,033.56

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Solution

The fourth proportional to 370,148.55, 555,444.03 and 340,033.56 is: 510,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,148.55 : 555,444.03 = 340,033.56 : x
  2. Step 2: Convert to fraction form
    370,148.55/555,444.03 = 340,033.56/x
  3. Step 3: Cross multiply
    370,148.55x = 555,444.03 × 340,033.56
  4. Step 4: Simplify right side
    370,148.55x = 188,869,613,218.23
  5. Step 5: Solve for x
    x = 188,869,613,218.23/370,148.55
  6. Step 6: Final answer
    x = 510,253.55

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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.