Home / 543,518.40-815,024.48-201,723.79

Finding the Fourth Proportional to 543,518.40, 815,024.48 and 201,723.79

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Solution

The fourth proportional to 543,518.40, 815,024.48 and 201,723.79 is: 302,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,518.40 : 815,024.48 = 201,723.79 : x
  2. Step 2: Convert to fraction form
    543,518.40/815,024.48 = 201,723.79/x
  3. Step 3: Cross multiply
    543,518.40x = 815,024.48 × 201,723.79
  4. Step 4: Simplify right side
    543,518.40x = 164,409,828,957.32
  5. Step 5: Solve for x
    x = 164,409,828,957.32/543,518.40
  6. Step 6: Final answer
    x = 302,491.74

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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.