Home / 294,805.48-442,165.02-145,005.56

Finding the Fourth Proportional to 294,805.48, 442,165.02 and 145,005.56

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Solution

The fourth proportional to 294,805.48, 442,165.02 and 145,005.56 is: 217,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,805.48 : 442,165.02 = 145,005.56 : x
  2. Step 2: Convert to fraction form
    294,805.48/442,165.02 = 145,005.56/x
  3. Step 3: Cross multiply
    294,805.48x = 442,165.02 × 145,005.56
  4. Step 4: Simplify right side
    294,805.48x = 64,116,386,337.51
  5. Step 5: Solve for x
    x = 64,116,386,337.51/294,805.48
  6. Step 6: Final answer
    x = 217,487.09

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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.