Home / 389,529.34-537,548.27-217,437.35

Finding the Fourth Proportional to 389,529.34, 537,548.27 and 217,437.35

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Solution

The fourth proportional to 389,529.34, 537,548.27 and 217,437.35 is: 300,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,529.34 : 537,548.27 = 217,437.35 : x
  2. Step 2: Convert to fraction form
    389,529.34/537,548.27 = 217,437.35/x
  3. Step 3: Cross multiply
    389,529.34x = 537,548.27 × 217,437.35
  4. Step 4: Simplify right side
    389,529.34x = 116,883,067,550.96
  5. Step 5: Solve for x
    x = 116,883,067,550.96/389,529.34
  6. Step 6: Final answer
    x = 300,062.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.