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Finding the Fourth Proportional to 450,484.08, 621,673.56 and 249,298.80

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Solution

The fourth proportional to 450,484.08, 621,673.56 and 249,298.80 is: 344,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,484.08 : 621,673.56 = 249,298.80 : x
  2. Step 2: Convert to fraction form
    450,484.08/621,673.56 = 249,298.80/x
  3. Step 3: Cross multiply
    450,484.08x = 621,673.56 × 249,298.80
  4. Step 4: Simplify right side
    450,484.08x = 154,982,472,499.73
  5. Step 5: Solve for x
    x = 154,982,472,499.73/450,484.08
  6. Step 6: Final answer
    x = 344,035.40

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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.