Home / 200,869.28-301,303.92-76,210.40

Finding the Fourth Proportional to 200,869.28, 301,303.92 and 76,210.40

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Solution

The fourth proportional to 200,869.28, 301,303.92 and 76,210.40 is: 114,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,869.28 : 301,303.92 = 76,210.40 : x
  2. Step 2: Convert to fraction form
    200,869.28/301,303.92 = 76,210.40/x
  3. Step 3: Cross multiply
    200,869.28x = 301,303.92 × 76,210.40
  4. Step 4: Simplify right side
    200,869.28x = 22,962,492,264.77
  5. Step 5: Solve for x
    x = 22,962,492,264.77/200,869.28
  6. Step 6: Final answer
    x = 114,315.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.