Home / 389,435.40-583,922.70-202,811.40

Finding the Fourth Proportional to 389,435.40, 583,922.70 and 202,811.40

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Solution

The fourth proportional to 389,435.40, 583,922.70 and 202,811.40 is: 304,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,435.40 : 583,922.70 = 202,811.40 : x
  2. Step 2: Convert to fraction form
    389,435.40/583,922.70 = 202,811.40/x
  3. Step 3: Cross multiply
    389,435.40x = 583,922.70 × 202,811.40
  4. Step 4: Simplify right side
    389,435.40x = 118,426,180,278.78
  5. Step 5: Solve for x
    x = 118,426,180,278.78/389,435.40
  6. Step 6: Final answer
    x = 304,097.11

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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.