Home / 487,376.92-731,075.40-150,417.77

Finding the Fourth Proportional to 487,376.92, 731,075.40 and 150,417.77

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Solution

The fourth proportional to 487,376.92, 731,075.40 and 150,417.77 is: 225,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,376.92 : 731,075.40 = 150,417.77 : x
  2. Step 2: Convert to fraction form
    487,376.92/731,075.40 = 150,417.77/x
  3. Step 3: Cross multiply
    487,376.92x = 731,075.40 × 150,417.77
  4. Step 4: Simplify right side
    487,376.92x = 109,966,731,369.86
  5. Step 5: Solve for x
    x = 109,966,731,369.86/487,376.92
  6. Step 6: Final answer
    x = 225,629.75

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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.