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Finding the Fourth Proportional to 304,005.96, 456,100.38 and 215,430.12

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Solution

The fourth proportional to 304,005.96, 456,100.38 and 215,430.12 is: 323,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,005.96 : 456,100.38 = 215,430.12 : x
  2. Step 2: Convert to fraction form
    304,005.96/456,100.38 = 215,430.12/x
  3. Step 3: Cross multiply
    304,005.96x = 456,100.38 × 215,430.12
  4. Step 4: Simplify right side
    304,005.96x = 98,257,759,595.45
  5. Step 5: Solve for x
    x = 98,257,759,595.45/304,005.96
  6. Step 6: Final answer
    x = 323,209.98

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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.