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Finding the Fourth Proportional to 303,345.60, 454,240.80 and 224,030.40

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Solution

The fourth proportional to 303,345.60, 454,240.80 and 224,030.40 is: 335,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345.60 : 454,240.80 = 224,030.40 : x
  2. Step 2: Convert to fraction form
    303,345.60/454,240.80 = 224,030.40/x
  3. Step 3: Cross multiply
    303,345.60x = 454,240.80 × 224,030.40
  4. Step 4: Simplify right side
    303,345.60x = 101,763,748,120.32
  5. Step 5: Solve for x
    x = 101,763,748,120.32/303,345.60
  6. Step 6: Final answer
    x = 335,471.32

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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.