Home / 432,426.93-648,422.64-144,136.51

Finding the Fourth Proportional to 432,426.93, 648,422.64 and 144,136.51

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Solution

The fourth proportional to 432,426.93, 648,422.64 and 144,136.51 is: 216,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,426.93 : 648,422.64 = 144,136.51 : x
  2. Step 2: Convert to fraction form
    432,426.93/648,422.64 = 144,136.51/x
  3. Step 3: Cross multiply
    432,426.93x = 648,422.64 × 144,136.51
  4. Step 4: Simplify right side
    432,426.93x = 93,461,378,766.29
  5. Step 5: Solve for x
    x = 93,461,378,766.29/432,426.93
  6. Step 6: Final answer
    x = 216,132.19

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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.