Home / 219,281.28-302,615.43-134,381.94

Finding the Fourth Proportional to 219,281.28, 302,615.43 and 134,381.94

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Solution

The fourth proportional to 219,281.28, 302,615.43 and 134,381.94 is: 185,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,281.28 : 302,615.43 = 134,381.94 : x
  2. Step 2: Convert to fraction form
    219,281.28/302,615.43 = 134,381.94/x
  3. Step 3: Cross multiply
    219,281.28x = 302,615.43 × 134,381.94
  4. Step 4: Simplify right side
    219,281.28x = 40,666,048,557.33
  5. Step 5: Solve for x
    x = 40,666,048,557.33/219,281.28
  6. Step 6: Final answer
    x = 185,451.53

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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.