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Finding the Fourth Proportional to 452,235.60, 678,368.64 and 227,473.50

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Solution

The fourth proportional to 452,235.60, 678,368.64 and 227,473.50 is: 341,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,235.60 : 678,368.64 = 227,473.50 : x
  2. Step 2: Convert to fraction form
    452,235.60/678,368.64 = 227,473.50/x
  3. Step 3: Cross multiply
    452,235.60x = 678,368.64 × 227,473.50
  4. Step 4: Simplify right side
    452,235.60x = 154,310,888,831.04
  5. Step 5: Solve for x
    x = 154,310,888,831.04/452,235.60
  6. Step 6: Final answer
    x = 341,217.92

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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.