Home / 208,301.16-287,456.64-112,808.24

Finding the Fourth Proportional to 208,301.16, 287,456.64 and 112,808.24

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Solution

The fourth proportional to 208,301.16, 287,456.64 and 112,808.24 is: 155,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,301.16 : 287,456.64 = 112,808.24 : x
  2. Step 2: Convert to fraction form
    208,301.16/287,456.64 = 112,808.24/x
  3. Step 3: Cross multiply
    208,301.16x = 287,456.64 × 112,808.24
  4. Step 4: Simplify right side
    208,301.16x = 32,427,477,634.71
  5. Step 5: Solve for x
    x = 32,427,477,634.71/208,301.16
  6. Step 6: Final answer
    x = 155,675.93

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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.