Home / 379,496.10-569,243.55-99,013.35

Finding the Fourth Proportional to 379,496.10, 569,243.55 and 99,013.35

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Solution

The fourth proportional to 379,496.10, 569,243.55 and 99,013.35 is: 148,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,496.10 : 569,243.55 = 99,013.35 : x
  2. Step 2: Convert to fraction form
    379,496.10/569,243.55 = 99,013.35/x
  3. Step 3: Cross multiply
    379,496.10x = 569,243.55 × 99,013.35
  4. Step 4: Simplify right side
    379,496.10x = 56,362,710,851.39
  5. Step 5: Solve for x
    x = 56,362,710,851.39/379,496.10
  6. Step 6: Final answer
    x = 148,519.87

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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.