Home / 280,922.92-387,670.98-153,597.16

Finding the Fourth Proportional to 280,922.92, 387,670.98 and 153,597.16

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Solution

The fourth proportional to 280,922.92, 387,670.98 and 153,597.16 is: 211,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,922.92 : 387,670.98 = 153,597.16 : x
  2. Step 2: Convert to fraction form
    280,922.92/387,670.98 = 153,597.16/x
  3. Step 3: Cross multiply
    280,922.92x = 387,670.98 × 153,597.16
  4. Step 4: Simplify right side
    280,922.92x = 59,545,161,542.42
  5. Step 5: Solve for x
    x = 59,545,161,542.42/280,922.92
  6. Step 6: Final answer
    x = 211,962.63

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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.