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Finding the Fourth Proportional to 360,024.40, 540,036.60 and 302,287.60

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Solution

The fourth proportional to 360,024.40, 540,036.60 and 302,287.60 is: 453,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,024.40 : 540,036.60 = 302,287.60 : x
  2. Step 2: Convert to fraction form
    360,024.40/540,036.60 = 302,287.60/x
  3. Step 3: Cross multiply
    360,024.40x = 540,036.60 × 302,287.60
  4. Step 4: Simplify right side
    360,024.40x = 163,246,367,726.16
  5. Step 5: Solve for x
    x = 163,246,367,726.16/360,024.40
  6. Step 6: Final answer
    x = 453,431.40

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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.