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Finding the Fourth Proportional to 224,041.64, 308,969.76 and 163,516.40

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Solution

The fourth proportional to 224,041.64, 308,969.76 and 163,516.40 is: 225,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,041.64 : 308,969.76 = 163,516.40 : x
  2. Step 2: Convert to fraction form
    224,041.64/308,969.76 = 163,516.40/x
  3. Step 3: Cross multiply
    224,041.64x = 308,969.76 × 163,516.40
  4. Step 4: Simplify right side
    224,041.64x = 50,521,622,864.06
  5. Step 5: Solve for x
    x = 50,521,622,864.06/224,041.64
  6. Step 6: Final answer
    x = 225,501.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.