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Finding the Fourth Proportional to 249,392.40, 373,869.90 and 149,592.30

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Solution

The fourth proportional to 249,392.40, 373,869.90 and 149,592.30 is: 224,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,392.40 : 373,869.90 = 149,592.30 : x
  2. Step 2: Convert to fraction form
    249,392.40/373,869.90 = 149,592.30/x
  3. Step 3: Cross multiply
    249,392.40x = 373,869.90 × 149,592.30
  4. Step 4: Simplify right side
    249,392.40x = 55,928,058,241.77
  5. Step 5: Solve for x
    x = 55,928,058,241.77/249,392.40
  6. Step 6: Final answer
    x = 224,257.27

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1.5x scale

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.