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Finding the Fourth Proportional to 359,946.70, 540,018.47 and 157,505.99

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Solution

The fourth proportional to 359,946.70, 540,018.47 and 157,505.99 is: 236,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,946.70 : 540,018.47 = 157,505.99 : x
  2. Step 2: Convert to fraction form
    359,946.70/540,018.47 = 157,505.99/x
  3. Step 3: Cross multiply
    359,946.70x = 540,018.47 × 157,505.99
  4. Step 4: Simplify right side
    359,946.70x = 85,056,145,479.45
  5. Step 5: Solve for x
    x = 85,056,145,479.45/359,946.70
  6. Step 6: Final answer
    x = 236,302.06

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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.