Home / 281,403.63-388,335.22-152,341.16

Finding the Fourth Proportional to 281,403.63, 388,335.22 and 152,341.16

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Solution

The fourth proportional to 281,403.63, 388,335.22 and 152,341.16 is: 210,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,403.63 : 388,335.22 = 152,341.16 : x
  2. Step 2: Convert to fraction form
    281,403.63/388,335.22 = 152,341.16/x
  3. Step 3: Cross multiply
    281,403.63x = 388,335.22 × 152,341.16
  4. Step 4: Simplify right side
    281,403.63x = 59,159,437,588.66
  5. Step 5: Solve for x
    x = 59,159,437,588.66/281,403.63
  6. Step 6: Final answer
    x = 210,229.83

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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.