Home / 469,942.40-648,518.32-255,080.58

Finding the Fourth Proportional to 469,942.40, 648,518.32 and 255,080.58

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Solution

The fourth proportional to 469,942.40, 648,518.32 and 255,080.58 is: 352,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,942.40 : 648,518.32 = 255,080.58 : x
  2. Step 2: Convert to fraction form
    469,942.40/648,518.32 = 255,080.58/x
  3. Step 3: Cross multiply
    469,942.40x = 648,518.32 × 255,080.58
  4. Step 4: Simplify right side
    469,942.40x = 165,424,429,206.23
  5. Step 5: Solve for x
    x = 165,424,429,206.23/469,942.40
  6. Step 6: Final answer
    x = 352,010.01

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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.