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Finding the Fourth Proportional to 499,937.38, 750,018.58 and 158,401.35

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Solution

The fourth proportional to 499,937.38, 750,018.58 and 158,401.35 is: 237,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,937.38 : 750,018.58 = 158,401.35 : x
  2. Step 2: Convert to fraction form
    499,937.38/750,018.58 = 158,401.35/x
  3. Step 3: Cross multiply
    499,937.38x = 750,018.58 × 158,401.35
  4. Step 4: Simplify right side
    499,937.38x = 118,803,955,201.08
  5. Step 5: Solve for x
    x = 118,803,955,201.08/499,937.38
  6. Step 6: Final answer
    x = 237,637.67

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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.