Home / 282,444.13-389,771.39-153,381.48

Finding the Fourth Proportional to 282,444.13, 389,771.39 and 153,381.48

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Solution

The fourth proportional to 282,444.13, 389,771.39 and 153,381.48 is: 211,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,444.13 : 389,771.39 = 153,381.48 : x
  2. Step 2: Convert to fraction form
    282,444.13/389,771.39 = 153,381.48/x
  3. Step 3: Cross multiply
    282,444.13x = 389,771.39 × 153,381.48
  4. Step 4: Simplify right side
    282,444.13x = 59,783,712,659.86
  5. Step 5: Solve for x
    x = 59,783,712,659.86/282,444.13
  6. Step 6: Final answer
    x = 211,665.62

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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.