Home / 318,309.18-477,362.51-105,037.35

Finding the Fourth Proportional to 318,309.18, 477,362.51 and 105,037.35

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Solution

The fourth proportional to 318,309.18, 477,362.51 and 105,037.35 is: 157,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,309.18 : 477,362.51 = 105,037.35 : x
  2. Step 2: Convert to fraction form
    318,309.18/477,362.51 = 105,037.35/x
  3. Step 3: Cross multiply
    318,309.18x = 477,362.51 × 105,037.35
  4. Step 4: Simplify right side
    318,309.18x = 50,140,890,127.75
  5. Step 5: Solve for x
    x = 50,140,890,127.75/318,309.18
  6. Step 6: Final answer
    x = 157,522.60

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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.