Home / 258,000.12-356,001.48-144,801

Finding the Fourth Proportional to 258,000.12, 356,001.48 and 144,801

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Solution

The fourth proportional to 258,000.12, 356,001.48 and 144,801 is: 199,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,000.12 : 356,001.48 = 144,801 : x
  2. Step 2: Convert to fraction form
    258,000.12/356,001.48 = 144,801/x
  3. Step 3: Cross multiply
    258,000.12x = 356,001.48 × 144,801
  4. Step 4: Simplify right side
    258,000.12x = 51,549,370,305.48
  5. Step 5: Solve for x
    x = 51,549,370,305.48/258,000.12
  6. Step 6: Final answer
    x = 199,803.67

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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.