Home / 284,381.07-392,448.20-157,058.79

Finding the Fourth Proportional to 284,381.07, 392,448.20 and 157,058.79

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Solution

The fourth proportional to 284,381.07, 392,448.20 and 157,058.79 is: 216,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,381.07 : 392,448.20 = 157,058.79 : x
  2. Step 2: Convert to fraction form
    284,381.07/392,448.20 = 157,058.79/x
  3. Step 3: Cross multiply
    284,381.07x = 392,448.20 × 157,058.79
  4. Step 4: Simplify right side
    284,381.07x = 61,637,439,429.68
  5. Step 5: Solve for x
    x = 61,637,439,429.68/284,381.07
  6. Step 6: Final answer
    x = 216,742.41

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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.