Home / 237,938.40-328,349.36-130,507.49

Finding the Fourth Proportional to 237,938.40, 328,349.36 and 130,507.49

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Solution

The fourth proportional to 237,938.40, 328,349.36 and 130,507.49 is: 180,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,938.40 : 328,349.36 = 130,507.49 : x
  2. Step 2: Convert to fraction form
    237,938.40/328,349.36 = 130,507.49/x
  3. Step 3: Cross multiply
    237,938.40x = 328,349.36 × 130,507.49
  4. Step 4: Simplify right side
    237,938.40x = 42,852,050,816.71
  5. Step 5: Solve for x
    x = 42,852,050,816.71/237,938.40
  6. Step 6: Final answer
    x = 180,097.25

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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.