Home / 288,583.38-432,973.49-155,477.30

Finding the Fourth Proportional to 288,583.38, 432,973.49 and 155,477.30

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Solution

The fourth proportional to 288,583.38, 432,973.49 and 155,477.30 is: 233,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,583.38 : 432,973.49 = 155,477.30 : x
  2. Step 2: Convert to fraction form
    288,583.38/432,973.49 = 155,477.30/x
  3. Step 3: Cross multiply
    288,583.38x = 432,973.49 × 155,477.30
  4. Step 4: Simplify right side
    288,583.38x = 67,317,546,254.52
  5. Step 5: Solve for x
    x = 67,317,546,254.52/288,583.38
  6. Step 6: Final answer
    x = 233,268.96

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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.