Home / 510,731.41-766,095.06-155,744.40

Finding the Fourth Proportional to 510,731.41, 766,095.06 and 155,744.40

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Solution

The fourth proportional to 510,731.41, 766,095.06 and 155,744.40 is: 233,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,731.41 : 766,095.06 = 155,744.40 : x
  2. Step 2: Convert to fraction form
    510,731.41/766,095.06 = 155,744.40/x
  3. Step 3: Cross multiply
    510,731.41x = 766,095.06 × 155,744.40
  4. Step 4: Simplify right side
    510,731.41x = 119,315,018,919.56
  5. Step 5: Solve for x
    x = 119,315,018,919.56/510,731.41
  6. Step 6: Final answer
    x = 233,615.98

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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.