Home / 469,869.63-648,424.94-255,011.55

Finding the Fourth Proportional to 469,869.63, 648,424.94 and 255,011.55

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Solution

The fourth proportional to 469,869.63, 648,424.94 and 255,011.55 is: 351,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,869.63 : 648,424.94 = 255,011.55 : x
  2. Step 2: Convert to fraction form
    469,869.63/648,424.94 = 255,011.55/x
  3. Step 3: Cross multiply
    469,869.63x = 648,424.94 × 255,011.55
  4. Step 4: Simplify right side
    469,869.63x = 165,355,849,008.06
  5. Step 5: Solve for x
    x = 165,355,849,008.06/469,869.63
  6. Step 6: Final answer
    x = 351,918.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.