Home / 451,505.09-623,088.92-255,255.95

Finding the Fourth Proportional to 451,505.09, 623,088.92 and 255,255.95

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Solution

The fourth proportional to 451,505.09, 623,088.92 and 255,255.95 is: 352,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,505.09 : 623,088.92 = 255,255.95 : x
  2. Step 2: Convert to fraction form
    451,505.09/623,088.92 = 255,255.95/x
  3. Step 3: Cross multiply
    451,505.09x = 623,088.92 × 255,255.95
  4. Step 4: Simplify right side
    451,505.09x = 159,047,154,209.07
  5. Step 5: Solve for x
    x = 159,047,154,209.07/451,505.09
  6. Step 6: Final answer
    x = 352,259.94

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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.