Home / 626,314.20-939,281.22-176,999.64

Finding the Fourth Proportional to 626,314.20, 939,281.22 and 176,999.64

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Solution

The fourth proportional to 626,314.20, 939,281.22 and 176,999.64 is: 265,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,314.20 : 939,281.22 = 176,999.64 : x
  2. Step 2: Convert to fraction form
    626,314.20/939,281.22 = 176,999.64/x
  3. Step 3: Cross multiply
    626,314.20x = 939,281.22 × 176,999.64
  4. Step 4: Simplify right side
    626,314.20x = 166,252,437,798.76
  5. Step 5: Solve for x
    x = 166,252,437,798.76/626,314.20
  6. Step 6: Final answer
    x = 265,445.74

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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.