Home / 378,252.28-522,038.01-242,308.36

Finding the Fourth Proportional to 378,252.28, 522,038.01 and 242,308.36

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Solution

The fourth proportional to 378,252.28, 522,038.01 and 242,308.36 is: 334,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,252.28 : 522,038.01 = 242,308.36 : x
  2. Step 2: Convert to fraction form
    378,252.28/522,038.01 = 242,308.36/x
  3. Step 3: Cross multiply
    378,252.28x = 522,038.01 × 242,308.36
  4. Step 4: Simplify right side
    378,252.28x = 126,494,174,060.76
  5. Step 5: Solve for x
    x = 126,494,174,060.76/378,252.28
  6. Step 6: Final answer
    x = 334,417.48

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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.