Home / 315,290.28-473,122.18-295,341.60

Finding the Fourth Proportional to 315,290.28, 473,122.18 and 295,341.60

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Solution

The fourth proportional to 315,290.28, 473,122.18 and 295,341.60 is: 443,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,290.28 : 473,122.18 = 295,341.60 : x
  2. Step 2: Convert to fraction form
    315,290.28/473,122.18 = 295,341.60/x
  3. Step 3: Cross multiply
    315,290.28x = 473,122.18 × 295,341.60
  4. Step 4: Simplify right side
    315,290.28x = 139,732,663,780.07
  5. Step 5: Solve for x
    x = 139,732,663,780.07/315,290.28
  6. Step 6: Final answer
    x = 443,187.35

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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.