Home / 314,341.18-469,229.63-290,923.27

Finding the Fourth Proportional to 314,341.18, 469,229.63 and 290,923.27

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Solution

The fourth proportional to 314,341.18, 469,229.63 and 290,923.27 is: 434,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,341.18 : 469,229.63 = 290,923.27 : x
  2. Step 2: Convert to fraction form
    314,341.18/469,229.63 = 290,923.27/x
  3. Step 3: Cross multiply
    314,341.18x = 469,229.63 × 290,923.27
  4. Step 4: Simplify right side
    314,341.18x = 136,509,815,712.80
  5. Step 5: Solve for x
    x = 136,509,815,712.80/314,341.18
  6. Step 6: Final answer
    x = 434,272.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.