Home / 424,802.23-637,051.57-140,440.29

Finding the Fourth Proportional to 424,802.23, 637,051.57 and 140,440.29

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Solution

The fourth proportional to 424,802.23, 637,051.57 and 140,440.29 is: 210,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,802.23 : 637,051.57 = 140,440.29 : x
  2. Step 2: Convert to fraction form
    424,802.23/637,051.57 = 140,440.29/x
  3. Step 3: Cross multiply
    424,802.23x = 637,051.57 × 140,440.29
  4. Step 4: Simplify right side
    424,802.23x = 89,467,707,235.76
  5. Step 5: Solve for x
    x = 89,467,707,235.76/424,802.23
  6. Step 6: Final answer
    x = 210,610.26

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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.