Home / 319,787.16-479,931.30-223,095.54

Finding the Fourth Proportional to 319,787.16, 479,931.30 and 223,095.54

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Solution

The fourth proportional to 319,787.16, 479,931.30 and 223,095.54 is: 334,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,787.16 : 479,931.30 = 223,095.54 : x
  2. Step 2: Convert to fraction form
    319,787.16/479,931.30 = 223,095.54/x
  3. Step 3: Cross multiply
    319,787.16x = 479,931.30 × 223,095.54
  4. Step 4: Simplify right side
    319,787.16x = 107,070,532,536.40
  5. Step 5: Solve for x
    x = 107,070,532,536.40/319,787.16
  6. Step 6: Final answer
    x = 334,818.11

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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.