Home / 268,430.40-370,512-166,487.04

Finding the Fourth Proportional to 268,430.40, 370,512 and 166,487.04

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Solution

The fourth proportional to 268,430.40, 370,512 and 166,487.04 is: 229,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,430.40 : 370,512 = 166,487.04 : x
  2. Step 2: Convert to fraction form
    268,430.40/370,512 = 166,487.04/x
  3. Step 3: Cross multiply
    268,430.40x = 370,512 × 166,487.04
  4. Step 4: Simplify right side
    268,430.40x = 61,685,446,164.48
  5. Step 5: Solve for x
    x = 61,685,446,164.48/268,430.40
  6. Step 6: Final answer
    x = 229,800.52

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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.