Home / 280,922.67-387,673.29-153,598.28

Finding the Fourth Proportional to 280,922.67, 387,673.29 and 153,598.28

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Solution

The fourth proportional to 280,922.67, 387,673.29 and 153,598.28 is: 211,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,922.67 : 387,673.29 = 153,598.28 : x
  2. Step 2: Convert to fraction form
    280,922.67/387,673.29 = 153,598.28/x
  3. Step 3: Cross multiply
    280,922.67x = 387,673.29 × 153,598.28
  4. Step 4: Simplify right side
    280,922.67x = 59,545,948,607.57
  5. Step 5: Solve for x
    x = 59,545,948,607.57/280,922.67
  6. Step 6: Final answer
    x = 211,965.62

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1.5x scale

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.