Home / 291,677.40-402,700.56-238,089.81

Finding the Fourth Proportional to 291,677.40, 402,700.56 and 238,089.81

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Solution

The fourth proportional to 291,677.40, 402,700.56 and 238,089.81 is: 328,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,677.40 : 402,700.56 = 238,089.81 : x
  2. Step 2: Convert to fraction form
    291,677.40/402,700.56 = 238,089.81/x
  3. Step 3: Cross multiply
    291,677.40x = 402,700.56 × 238,089.81
  4. Step 4: Simplify right side
    291,677.40x = 95,878,899,817.29
  5. Step 5: Solve for x
    x = 95,878,899,817.29/291,677.40
  6. Step 6: Final answer
    x = 328,715.56

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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.