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Finding the Fourth Proportional to 280,161.68, 418,057.38 and 249,968.34

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Solution

The fourth proportional to 280,161.68, 418,057.38 and 249,968.34 is: 373,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,161.68 : 418,057.38 = 249,968.34 : x
  2. Step 2: Convert to fraction form
    280,161.68/418,057.38 = 249,968.34/x
  3. Step 3: Cross multiply
    280,161.68x = 418,057.38 × 249,968.34
  4. Step 4: Simplify right side
    280,161.68x = 104,501,109,303.35
  5. Step 5: Solve for x
    x = 104,501,109,303.35/280,161.68
  6. Step 6: Final answer
    x = 373,002.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.