Home / 315,929-473,968.38-94,318.76

Finding the Fourth Proportional to 315,929, 473,968.38 and 94,318.76

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Solution

The fourth proportional to 315,929, 473,968.38 and 94,318.76 is: 141,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,929 : 473,968.38 = 94,318.76 : x
  2. Step 2: Convert to fraction form
    315,929/473,968.38 = 94,318.76/x
  3. Step 3: Cross multiply
    315,929x = 473,968.38 × 94,318.76
  4. Step 4: Simplify right side
    315,929x = 44,704,109,880.81
  5. Step 5: Solve for x
    x = 44,704,109,880.81/315,929
  6. Step 6: Final answer
    x = 141,500.49

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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.