Home / 460,250.16-690,358.86-160,729.56

Finding the Fourth Proportional to 460,250.16, 690,358.86 and 160,729.56

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Solution

The fourth proportional to 460,250.16, 690,358.86 and 160,729.56 is: 241,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,250.16 : 690,358.86 = 160,729.56 : x
  2. Step 2: Convert to fraction form
    460,250.16/690,358.86 = 160,729.56/x
  3. Step 3: Cross multiply
    460,250.16x = 690,358.86 × 160,729.56
  4. Step 4: Simplify right side
    460,250.16x = 110,961,075,809.90
  5. Step 5: Solve for x
    x = 110,961,075,809.90/460,250.16
  6. Step 6: Final answer
    x = 241,088.62

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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.