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Finding the Fourth Proportional to 508,391.56, 762,607.23 and 153,405.64

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Solution

The fourth proportional to 508,391.56, 762,607.23 and 153,405.64 is: 230,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,391.56 : 762,607.23 = 153,405.64 : x
  2. Step 2: Convert to fraction form
    508,391.56/762,607.23 = 153,405.64/x
  3. Step 3: Cross multiply
    508,391.56x = 762,607.23 × 153,405.64
  4. Step 4: Simplify right side
    508,391.56x = 116,988,250,186.78
  5. Step 5: Solve for x
    x = 116,988,250,186.78/508,391.56
  6. Step 6: Final answer
    x = 230,114.46

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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.