Home / 389,315.52-537,257.07-217,241.00

Finding the Fourth Proportional to 389,315.52, 537,257.07 and 217,241.00

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Solution

The fourth proportional to 389,315.52, 537,257.07 and 217,241.00 is: 299,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,315.52 : 537,257.07 = 217,241.00 : x
  2. Step 2: Convert to fraction form
    389,315.52/537,257.07 = 217,241.00/x
  3. Step 3: Cross multiply
    389,315.52x = 537,257.07 × 217,241.00
  4. Step 4: Simplify right side
    389,315.52x = 116,714,260,457.59
  5. Step 5: Solve for x
    x = 116,714,260,457.59/389,315.52
  6. Step 6: Final answer
    x = 299,793.50

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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.