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Finding the Fourth Proportional to 477,554.44, 716,085.11 and 140,551.31

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Solution

The fourth proportional to 477,554.44, 716,085.11 and 140,551.31 is: 210,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,554.44 : 716,085.11 = 140,551.31 : x
  2. Step 2: Convert to fraction form
    477,554.44/716,085.11 = 140,551.31/x
  3. Step 3: Cross multiply
    477,554.44x = 716,085.11 × 140,551.31
  4. Step 4: Simplify right side
    477,554.44x = 100,646,700,281.99
  5. Step 5: Solve for x
    x = 100,646,700,281.99/477,554.44
  6. Step 6: Final answer
    x = 210,754.40

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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.