Home / 389,276.40-583,933.80-202,652.40

Finding the Fourth Proportional to 389,276.40, 583,933.80 and 202,652.40

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Solution

The fourth proportional to 389,276.40, 583,933.80 and 202,652.40 is: 303,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,276.40 : 583,933.80 = 202,652.40 : x
  2. Step 2: Convert to fraction form
    389,276.40/583,933.80 = 202,652.40/x
  3. Step 3: Cross multiply
    389,276.40x = 583,933.80 × 202,652.40
  4. Step 4: Simplify right side
    389,276.40x = 118,335,586,011.12
  5. Step 5: Solve for x
    x = 118,335,586,011.12/389,276.40
  6. Step 6: Final answer
    x = 303,988.60

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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.