Home / 314,929.48-434,586.90-178,945.48

Finding the Fourth Proportional to 314,929.48, 434,586.90 and 178,945.48

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Solution

The fourth proportional to 314,929.48, 434,586.90 and 178,945.48 is: 246,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929.48 : 434,586.90 = 178,945.48 : x
  2. Step 2: Convert to fraction form
    314,929.48/434,586.90 = 178,945.48/x
  3. Step 3: Cross multiply
    314,929.48x = 434,586.90 × 178,945.48
  4. Step 4: Simplify right side
    314,929.48x = 77,767,361,422.21
  5. Step 5: Solve for x
    x = 77,767,361,422.21/314,929.48
  6. Step 6: Final answer
    x = 246,935.79

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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.