Home / 315,932.03-473,922.53-105,570.71

Finding the Fourth Proportional to 315,932.03, 473,922.53 and 105,570.71

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Solution

The fourth proportional to 315,932.03, 473,922.53 and 105,570.71 is: 158,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,932.03 : 473,922.53 = 105,570.71 : x
  2. Step 2: Convert to fraction form
    315,932.03/473,922.53 = 105,570.71/x
  3. Step 3: Cross multiply
    315,932.03x = 473,922.53 × 105,570.71
  4. Step 4: Simplify right side
    315,932.03x = 50,032,337,977.10
  5. Step 5: Solve for x
    x = 50,032,337,977.10/315,932.03
  6. Step 6: Final answer
    x = 158,364.25

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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.