Home / 302,453.20-453,657.93-144,639.28

Finding the Fourth Proportional to 302,453.20, 453,657.93 and 144,639.28

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Solution

The fourth proportional to 302,453.20, 453,657.93 and 144,639.28 is: 216,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,453.20 : 453,657.93 = 144,639.28 : x
  2. Step 2: Convert to fraction form
    302,453.20/453,657.93 = 144,639.28/x
  3. Step 3: Cross multiply
    302,453.20x = 453,657.93 × 144,639.28
  4. Step 4: Simplify right side
    302,453.20x = 65,616,756,361.49
  5. Step 5: Solve for x
    x = 65,616,756,361.49/302,453.20
  6. Step 6: Final answer
    x = 216,948.46

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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.