Home / 315,150.64-472,726.02-104,790.40

Finding the Fourth Proportional to 315,150.64, 472,726.02 and 104,790.40

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Solution

The fourth proportional to 315,150.64, 472,726.02 and 104,790.40 is: 157,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,150.64 : 472,726.02 = 104,790.40 : x
  2. Step 2: Convert to fraction form
    315,150.64/472,726.02 = 104,790.40/x
  3. Step 3: Cross multiply
    315,150.64x = 472,726.02 × 104,790.40
  4. Step 4: Simplify right side
    315,150.64x = 49,537,148,726.21
  5. Step 5: Solve for x
    x = 49,537,148,726.21/315,150.64
  6. Step 6: Final answer
    x = 157,185.62

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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.