Home / 280,844.04-387,767.72-173,561.16

Finding the Fourth Proportional to 280,844.04, 387,767.72 and 173,561.16

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Solution

The fourth proportional to 280,844.04, 387,767.72 and 173,561.16 is: 239,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,844.04 : 387,767.72 = 173,561.16 : x
  2. Step 2: Convert to fraction form
    280,844.04/387,767.72 = 173,561.16/x
  3. Step 3: Cross multiply
    280,844.04x = 387,767.72 × 173,561.16
  4. Step 4: Simplify right side
    280,844.04x = 67,301,415,293.76
  5. Step 5: Solve for x
    x = 67,301,415,293.76/280,844.04
  6. Step 6: Final answer
    x = 239,639.82

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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.