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Finding the Fourth Proportional to 249,440.40, 344,118.40 and 152,648.92

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Solution

The fourth proportional to 249,440.40, 344,118.40 and 152,648.92 is: 210,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,440.40 : 344,118.40 = 152,648.92 : x
  2. Step 2: Convert to fraction form
    249,440.40/344,118.40 = 152,648.92/x
  3. Step 3: Cross multiply
    249,440.40x = 344,118.40 × 152,648.92
  4. Step 4: Simplify right side
    249,440.40x = 52,529,302,112.13
  5. Step 5: Solve for x
    x = 52,529,302,112.13/249,440.40
  6. Step 6: Final answer
    x = 210,588.59

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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.