Home / 319,194.90-478,886.04-94,561.20

Finding the Fourth Proportional to 319,194.90, 478,886.04 and 94,561.20

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Solution

The fourth proportional to 319,194.90, 478,886.04 and 94,561.20 is: 141,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,194.90 : 478,886.04 = 94,561.20 : x
  2. Step 2: Convert to fraction form
    319,194.90/478,886.04 = 94,561.20/x
  3. Step 3: Cross multiply
    319,194.90x = 478,886.04 × 94,561.20
  4. Step 4: Simplify right side
    319,194.90x = 45,284,038,605.65
  5. Step 5: Solve for x
    x = 45,284,038,605.65/319,194.90
  6. Step 6: Final answer
    x = 141,869.56

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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.