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Finding the Fourth Proportional to 450,366.85, 621,501.65 and 249,164.29

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Solution

The fourth proportional to 450,366.85, 621,501.65 and 249,164.29 is: 343,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,366.85 : 621,501.65 = 249,164.29 : x
  2. Step 2: Convert to fraction form
    450,366.85/621,501.65 = 249,164.29/x
  3. Step 3: Cross multiply
    450,366.85x = 621,501.65 × 249,164.29
  4. Step 4: Simplify right side
    450,366.85x = 154,856,016,110.26
  5. Step 5: Solve for x
    x = 154,856,016,110.26/450,366.85
  6. Step 6: Final answer
    x = 343,844.17

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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.