Home / 317,811.74-438,582.81-174,574.98

Finding the Fourth Proportional to 317,811.74, 438,582.81 and 174,574.98

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Solution

The fourth proportional to 317,811.74, 438,582.81 and 174,574.98 is: 240,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,811.74 : 438,582.81 = 174,574.98 : x
  2. Step 2: Convert to fraction form
    317,811.74/438,582.81 = 174,574.98/x
  3. Step 3: Cross multiply
    317,811.74x = 438,582.81 × 174,574.98
  4. Step 4: Simplify right side
    317,811.74x = 76,565,586,380.55
  5. Step 5: Solve for x
    x = 76,565,586,380.55/317,811.74
  6. Step 6: Final answer
    x = 240,914.91

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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.