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Finding the Fourth Proportional to 359,946, 539,919 and 97,290

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Solution

The fourth proportional to 359,946, 539,919 and 97,290 is: 145,935

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,946 : 539,919 = 97,290 : x
  2. Step 2: Convert to fraction form
    359,946/539,919 = 97,290/x
  3. Step 3: Cross multiply
    359,946x = 539,919 × 97,290
  4. Step 4: Simplify right side
    359,946x = 52,528,719,510
  5. Step 5: Solve for x
    x = 52,528,719,510/359,946
  6. Step 6: Final answer
    x = 145,935

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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.