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Finding the Fourth Proportional to 253,124.51, 349,399.72 and 145,737.34

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Solution

The fourth proportional to 253,124.51, 349,399.72 and 145,737.34 is: 201,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,124.51 : 349,399.72 = 145,737.34 : x
  2. Step 2: Convert to fraction form
    253,124.51/349,399.72 = 145,737.34/x
  3. Step 3: Cross multiply
    253,124.51x = 349,399.72 × 145,737.34
  4. Step 4: Simplify right side
    253,124.51x = 50,920,584,551.70
  5. Step 5: Solve for x
    x = 50,920,584,551.70/253,124.51
  6. Step 6: Final answer
    x = 201,168.13

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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.