Home / 370,636.76-556,570.04-231,281.12

Finding the Fourth Proportional to 370,636.76, 556,570.04 and 231,281.12

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Solution

The fourth proportional to 370,636.76, 556,570.04 and 231,281.12 is: 347,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,636.76 : 556,570.04 = 231,281.12 : x
  2. Step 2: Convert to fraction form
    370,636.76/556,570.04 = 231,281.12/x
  3. Step 3: Cross multiply
    370,636.76x = 556,570.04 × 231,281.12
  4. Step 4: Simplify right side
    370,636.76x = 128,724,142,444.66
  5. Step 5: Solve for x
    x = 128,724,142,444.66/370,636.76
  6. Step 6: Final answer
    x = 347,305.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.