Home / 316,738.84-475,582.65-274,176.40

Finding the Fourth Proportional to 316,738.84, 475,582.65 and 274,176.40

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Solution

The fourth proportional to 316,738.84, 475,582.65 and 274,176.40 is: 411,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,738.84 : 475,582.65 = 274,176.40 : x
  2. Step 2: Convert to fraction form
    316,738.84/475,582.65 = 274,176.40/x
  3. Step 3: Cross multiply
    316,738.84x = 475,582.65 × 274,176.40
  4. Step 4: Simplify right side
    316,738.84x = 130,393,538,879.46
  5. Step 5: Solve for x
    x = 130,393,538,879.46/316,738.84
  6. Step 6: Final answer
    x = 411,675.24

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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.