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Finding the Fourth Proportional to 253,102.28, 349,270.08 and 145,675.76

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Solution

The fourth proportional to 253,102.28, 349,270.08 and 145,675.76 is: 201,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,102.28 : 349,270.08 = 145,675.76 : x
  2. Step 2: Convert to fraction form
    253,102.28/349,270.08 = 145,675.76/x
  3. Step 3: Cross multiply
    253,102.28x = 349,270.08 × 145,675.76
  4. Step 4: Simplify right side
    253,102.28x = 50,880,184,349.26
  5. Step 5: Solve for x
    x = 50,880,184,349.26/253,102.28
  6. Step 6: Final answer
    x = 201,026.18

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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.