Home / 438,317.16-657,504.90-153,973.14

Finding the Fourth Proportional to 438,317.16, 657,504.90 and 153,973.14

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Solution

The fourth proportional to 438,317.16, 657,504.90 and 153,973.14 is: 230,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,317.16 : 657,504.90 = 153,973.14 : x
  2. Step 2: Convert to fraction form
    438,317.16/657,504.90 = 153,973.14/x
  3. Step 3: Cross multiply
    438,317.16x = 657,504.90 × 153,973.14
  4. Step 4: Simplify right side
    438,317.16x = 101,238,094,018.39
  5. Step 5: Solve for x
    x = 101,238,094,018.39/438,317.16
  6. Step 6: Final answer
    x = 230,969.95

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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.