Home / 280,599.24-387,217.14-167,363.40

Finding the Fourth Proportional to 280,599.24, 387,217.14 and 167,363.40

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Solution

The fourth proportional to 280,599.24, 387,217.14 and 167,363.40 is: 230,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,599.24 : 387,217.14 = 167,363.40 : x
  2. Step 2: Convert to fraction form
    280,599.24/387,217.14 = 167,363.40/x
  3. Step 3: Cross multiply
    280,599.24x = 387,217.14 × 167,363.40
  4. Step 4: Simplify right side
    280,599.24x = 64,805,977,088.68
  5. Step 5: Solve for x
    x = 64,805,977,088.68/280,599.24
  6. Step 6: Final answer
    x = 230,955.64

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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.