Home / 286,811.10-430,216.65-275,924.70

Finding the Fourth Proportional to 286,811.10, 430,216.65 and 275,924.70

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Solution

The fourth proportional to 286,811.10, 430,216.65 and 275,924.70 is: 413,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,811.10 : 430,216.65 = 275,924.70 : x
  2. Step 2: Convert to fraction form
    286,811.10/430,216.65 = 275,924.70/x
  3. Step 3: Cross multiply
    286,811.10x = 430,216.65 × 275,924.70
  4. Step 4: Simplify right side
    286,811.10x = 118,707,400,086.26
  5. Step 5: Solve for x
    x = 118,707,400,086.26/286,811.10
  6. Step 6: Final answer
    x = 413,887.05

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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.