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Finding the Fourth Proportional to 304,237.20, 456,355.80 and 302,487.60

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Solution

The fourth proportional to 304,237.20, 456,355.80 and 302,487.60 is: 453,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,237.20 : 456,355.80 = 302,487.60 : x
  2. Step 2: Convert to fraction form
    304,237.20/456,355.80 = 302,487.60/x
  3. Step 3: Cross multiply
    304,237.20x = 456,355.80 × 302,487.60
  4. Step 4: Simplify right side
    304,237.20x = 138,041,970,688.08
  5. Step 5: Solve for x
    x = 138,041,970,688.08/304,237.20
  6. Step 6: Final answer
    x = 453,731.40

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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.