Home / 211,190.44-291,442.80-126,307.50

Finding the Fourth Proportional to 211,190.44, 291,442.80 and 126,307.50

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Solution

The fourth proportional to 211,190.44, 291,442.80 and 126,307.50 is: 174,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,190.44 : 291,442.80 = 126,307.50 : x
  2. Step 2: Convert to fraction form
    211,190.44/291,442.80 = 126,307.50/x
  3. Step 3: Cross multiply
    211,190.44x = 291,442.80 × 126,307.50
  4. Step 4: Simplify right side
    211,190.44x = 36,811,411,461
  5. Step 5: Solve for x
    x = 36,811,411,461/211,190.44
  6. Step 6: Final answer
    x = 174,304.35

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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.