Home / 389,282.04-537,260.76-228,200.40

Finding the Fourth Proportional to 389,282.04, 537,260.76 and 228,200.40

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Solution

The fourth proportional to 389,282.04, 537,260.76 and 228,200.40 is: 314,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,282.04 : 537,260.76 = 228,200.40 : x
  2. Step 2: Convert to fraction form
    389,282.04/537,260.76 = 228,200.40/x
  3. Step 3: Cross multiply
    389,282.04x = 537,260.76 × 228,200.40
  4. Step 4: Simplify right side
    389,282.04x = 122,603,120,336.30
  5. Step 5: Solve for x
    x = 122,603,120,336.30/389,282.04
  6. Step 6: Final answer
    x = 314,946.77

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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.