Home / 287,250.12-430,233.54-208,182.84

Finding the Fourth Proportional to 287,250.12, 430,233.54 and 208,182.84

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Solution

The fourth proportional to 287,250.12, 430,233.54 and 208,182.84 is: 311,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,250.12 : 430,233.54 = 208,182.84 : x
  2. Step 2: Convert to fraction form
    287,250.12/430,233.54 = 208,182.84/x
  3. Step 3: Cross multiply
    287,250.12x = 430,233.54 × 208,182.84
  4. Step 4: Simplify right side
    287,250.12x = 89,567,240,220.45
  5. Step 5: Solve for x
    x = 89,567,240,220.45/287,250.12
  6. Step 6: Final answer
    x = 311,809.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.