Home / 280,842.04-387,568.02-153,529.48

Finding the Fourth Proportional to 280,842.04, 387,568.02 and 153,529.48

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Solution

The fourth proportional to 280,842.04, 387,568.02 and 153,529.48 is: 211,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,842.04 : 387,568.02 = 153,529.48 : x
  2. Step 2: Convert to fraction form
    280,842.04/387,568.02 = 153,529.48/x
  3. Step 3: Cross multiply
    280,842.04x = 387,568.02 × 153,529.48
  4. Step 4: Simplify right side
    280,842.04x = 59,503,116,575.23
  5. Step 5: Solve for x
    x = 59,503,116,575.23/280,842.04
  6. Step 6: Final answer
    x = 211,873.97

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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.