Home / 253,188.64-349,122.10-162,510.36

Finding the Fourth Proportional to 253,188.64, 349,122.10 and 162,510.36

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Solution

The fourth proportional to 253,188.64, 349,122.10 and 162,510.36 is: 224,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,188.64 : 349,122.10 = 162,510.36 : x
  2. Step 2: Convert to fraction form
    253,188.64/349,122.10 = 162,510.36/x
  3. Step 3: Cross multiply
    253,188.64x = 349,122.10 × 162,510.36
  4. Step 4: Simplify right side
    253,188.64x = 56,735,958,154.96
  5. Step 5: Solve for x
    x = 56,735,958,154.96/253,188.64
  6. Step 6: Final answer
    x = 224,085.72

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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.