Home / 315,928-473,966.88-94,317.76

Finding the Fourth Proportional to 315,928, 473,966.88 and 94,317.76

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Solution

The fourth proportional to 315,928, 473,966.88 and 94,317.76 is: 141,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,928 : 473,966.88 = 94,317.76 : x
  2. Step 2: Convert to fraction form
    315,928/473,966.88 = 94,317.76/x
  3. Step 3: Cross multiply
    315,928x = 473,966.88 × 94,317.76
  4. Step 4: Simplify right side
    315,928x = 44,703,494,435.79
  5. Step 5: Solve for x
    x = 44,703,494,435.79/315,928
  6. Step 6: Final answer
    x = 141,498.99

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1.5x scale

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.