Home / 469,966.31-648,549.07-255,101.77

Finding the Fourth Proportional to 469,966.31, 648,549.07 and 255,101.77

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Solution

The fourth proportional to 469,966.31, 648,549.07 and 255,101.77 is: 352,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,966.31 : 648,549.07 = 255,101.77 : x
  2. Step 2: Convert to fraction form
    469,966.31/648,549.07 = 255,101.77/x
  3. Step 3: Cross multiply
    469,966.31x = 648,549.07 × 255,101.77
  4. Step 4: Simplify right side
    469,966.31x = 165,446,015,688.85
  5. Step 5: Solve for x
    x = 165,446,015,688.85/469,966.31
  6. Step 6: Final answer
    x = 352,038.03

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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.