Home / 315,622.05-473,434.91-105,259.38

Finding the Fourth Proportional to 315,622.05, 473,434.91 and 105,259.38

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Solution

The fourth proportional to 315,622.05, 473,434.91 and 105,259.38 is: 157,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,622.05 : 473,434.91 = 105,259.38 : x
  2. Step 2: Convert to fraction form
    315,622.05/473,434.91 = 105,259.38/x
  3. Step 3: Cross multiply
    315,622.05x = 473,434.91 × 105,259.38
  4. Step 4: Simplify right side
    315,622.05x = 49,833,464,570.66
  5. Step 5: Solve for x
    x = 49,833,464,570.66/315,622.05
  6. Step 6: Final answer
    x = 157,889.68

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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.