Home / 389,295.30-537,226.65-219,528.24

Finding the Fourth Proportional to 389,295.30, 537,226.65 and 219,528.24

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Solution

The fourth proportional to 389,295.30, 537,226.65 and 219,528.24 is: 302,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,295.30 : 537,226.65 = 219,528.24 : x
  2. Step 2: Convert to fraction form
    389,295.30/537,226.65 = 219,528.24/x
  3. Step 3: Cross multiply
    389,295.30x = 537,226.65 × 219,528.24
  4. Step 4: Simplify right side
    389,295.30x = 117,936,420,955.60
  5. Step 5: Solve for x
    x = 117,936,420,955.60/389,295.30
  6. Step 6: Final answer
    x = 302,948.48

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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.