Home / 350,317.08-525,428-136,936.52

Finding the Fourth Proportional to 350,317.08, 525,428 and 136,936.52

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Solution

The fourth proportional to 350,317.08, 525,428 and 136,936.52 is: 205,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,317.08 : 525,428 = 136,936.52 : x
  2. Step 2: Convert to fraction form
    350,317.08/525,428 = 136,936.52/x
  3. Step 3: Cross multiply
    350,317.08x = 525,428 × 136,936.52
  4. Step 4: Simplify right side
    350,317.08x = 71,950,281,830.56
  5. Step 5: Solve for x
    x = 71,950,281,830.56/350,317.08
  6. Step 6: Final answer
    x = 205,386.17

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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.