Home / 302,215.50-453,320.55-112,669.43

Finding the Fourth Proportional to 302,215.50, 453,320.55 and 112,669.43

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Solution

The fourth proportional to 302,215.50, 453,320.55 and 112,669.43 is: 169,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,215.50 : 453,320.55 = 112,669.43 : x
  2. Step 2: Convert to fraction form
    302,215.50/453,320.55 = 112,669.43/x
  3. Step 3: Cross multiply
    302,215.50x = 453,320.55 × 112,669.43
  4. Step 4: Simplify right side
    302,215.50x = 51,075,365,709.18
  5. Step 5: Solve for x
    x = 51,075,365,709.18/302,215.50
  6. Step 6: Final answer
    x = 169,003.13

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1.5x scale

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.