Home / 219,101.28-302,333.76-123,602.40

Finding the Fourth Proportional to 219,101.28, 302,333.76 and 123,602.40

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Solution

The fourth proportional to 219,101.28, 302,333.76 and 123,602.40 is: 170,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,101.28 : 302,333.76 = 123,602.40 : x
  2. Step 2: Convert to fraction form
    219,101.28/302,333.76 = 123,602.40/x
  3. Step 3: Cross multiply
    219,101.28x = 302,333.76 × 123,602.40
  4. Step 4: Simplify right side
    219,101.28x = 37,369,178,337.02
  5. Step 5: Solve for x
    x = 37,369,178,337.02/219,101.28
  6. Step 6: Final answer
    x = 170,556.64

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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.