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Finding the Fourth Proportional to 291,604.80, 437,666.40 and 249,614.40

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Solution

The fourth proportional to 291,604.80, 437,666.40 and 249,614.40 is: 374,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,604.80 : 437,666.40 = 249,614.40 : x
  2. Step 2: Convert to fraction form
    291,604.80/437,666.40 = 249,614.40/x
  3. Step 3: Cross multiply
    291,604.80x = 437,666.40 × 249,614.40
  4. Step 4: Simplify right side
    291,604.80x = 109,247,835,836.16
  5. Step 5: Solve for x
    x = 109,247,835,836.16/291,604.80
  6. Step 6: Final answer
    x = 374,643.48

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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.