Home / 286,582.23-429,465.98-211,108.86

Finding the Fourth Proportional to 286,582.23, 429,465.98 and 211,108.86

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Solution

The fourth proportional to 286,582.23, 429,465.98 and 211,108.86 is: 316,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,582.23 : 429,465.98 = 211,108.86 : x
  2. Step 2: Convert to fraction form
    286,582.23/429,465.98 = 211,108.86/x
  3. Step 3: Cross multiply
    286,582.23x = 429,465.98 × 211,108.86
  4. Step 4: Simplify right side
    286,582.23x = 90,664,073,974.35
  5. Step 5: Solve for x
    x = 90,664,073,974.35/286,582.23
  6. Step 6: Final answer
    x = 316,363.21

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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.