Home / 424,968.50-637,521.98-125,479.35

Finding the Fourth Proportional to 424,968.50, 637,521.98 and 125,479.35

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Solution

The fourth proportional to 424,968.50, 637,521.98 and 125,479.35 is: 188,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,968.50 : 637,521.98 = 125,479.35 : x
  2. Step 2: Convert to fraction form
    424,968.50/637,521.98 = 125,479.35/x
  3. Step 3: Cross multiply
    424,968.50x = 637,521.98 × 125,479.35
  4. Step 4: Simplify right side
    424,968.50x = 79,995,843,033.72
  5. Step 5: Solve for x
    x = 79,995,843,033.72/424,968.50
  6. Step 6: Final answer
    x = 188,239.47

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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.