Home / 319,251.04-478,946.64-94,628.80

Finding the Fourth Proportional to 319,251.04, 478,946.64 and 94,628.80

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Solution

The fourth proportional to 319,251.04, 478,946.64 and 94,628.80 is: 141,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,251.04 : 478,946.64 = 94,628.80 : x
  2. Step 2: Convert to fraction form
    319,251.04/478,946.64 = 94,628.80/x
  3. Step 3: Cross multiply
    319,251.04x = 478,946.64 × 94,628.80
  4. Step 4: Simplify right side
    319,251.04x = 45,322,145,807.23
  5. Step 5: Solve for x
    x = 45,322,145,807.23/319,251.04
  6. Step 6: Final answer
    x = 141,963.97

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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.