Home / 469,928.19-648,501.55-255,068.30

Finding the Fourth Proportional to 469,928.19, 648,501.55 and 255,068.30

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Solution

The fourth proportional to 469,928.19, 648,501.55 and 255,068.30 is: 351,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.19 : 648,501.55 = 255,068.30 : x
  2. Step 2: Convert to fraction form
    469,928.19/648,501.55 = 255,068.30/x
  3. Step 3: Cross multiply
    469,928.19x = 648,501.55 × 255,068.30
  4. Step 4: Simplify right side
    469,928.19x = 165,412,187,905.87
  5. Step 5: Solve for x
    x = 165,412,187,905.87/469,928.19
  6. Step 6: Final answer
    x = 351,994.61

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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.