Home / 253,421.58-349,581.40-162,675.66

Finding the Fourth Proportional to 253,421.58, 349,581.40 and 162,675.66

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Solution

The fourth proportional to 253,421.58, 349,581.40 and 162,675.66 is: 224,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,421.58 : 349,581.40 = 162,675.66 : x
  2. Step 2: Convert to fraction form
    253,421.58/349,581.40 = 162,675.66/x
  3. Step 3: Cross multiply
    253,421.58x = 349,581.40 × 162,675.66
  4. Step 4: Simplify right side
    253,421.58x = 56,868,384,968.72
  5. Step 5: Solve for x
    x = 56,868,384,968.72/253,421.58
  6. Step 6: Final answer
    x = 224,402.30

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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.