Home / 389,276.03-537,219.33-219,506.51

Finding the Fourth Proportional to 389,276.03, 537,219.33 and 219,506.51

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Solution

The fourth proportional to 389,276.03, 537,219.33 and 219,506.51 is: 302,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,276.03 : 537,219.33 = 219,506.51 : x
  2. Step 2: Convert to fraction form
    389,276.03/537,219.33 = 219,506.51/x
  3. Step 3: Cross multiply
    389,276.03x = 537,219.33 × 219,506.51
  4. Step 4: Simplify right side
    389,276.03x = 117,923,140,232.84
  5. Step 5: Solve for x
    x = 117,923,140,232.84/389,276.03
  6. Step 6: Final answer
    x = 302,929.36

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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.