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Finding the Fourth Proportional to 450,526, 621,725.88 and 249,334.96

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Solution

The fourth proportional to 450,526, 621,725.88 and 249,334.96 is: 344,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,526 : 621,725.88 = 249,334.96 : x
  2. Step 2: Convert to fraction form
    450,526/621,725.88 = 249,334.96/x
  3. Step 3: Cross multiply
    450,526x = 621,725.88 × 249,334.96
  4. Step 4: Simplify right side
    450,526x = 155,017,997,420.77
  5. Step 5: Solve for x
    x = 155,017,997,420.77/450,526
  6. Step 6: Final answer
    x = 344,082.24

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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.