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Finding the Fourth Proportional to 319,510.07, 479,364.56 and 94,871.68

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Solution

The fourth proportional to 319,510.07, 479,364.56 and 94,871.68 is: 142,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,510.07 : 479,364.56 = 94,871.68 : x
  2. Step 2: Convert to fraction form
    319,510.07/479,364.56 = 94,871.68/x
  3. Step 3: Cross multiply
    319,510.07x = 479,364.56 × 94,871.68
  4. Step 4: Simplify right side
    319,510.07x = 45,478,121,139.66
  5. Step 5: Solve for x
    x = 45,478,121,139.66/319,510.07
  6. Step 6: Final answer
    x = 142,337.05

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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.