Home / 314,927.16-472,248.54-90,236.13

Finding the Fourth Proportional to 314,927.16, 472,248.54 and 90,236.13

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Solution

The fourth proportional to 314,927.16, 472,248.54 and 90,236.13 is: 135,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,927.16 : 472,248.54 = 90,236.13 : x
  2. Step 2: Convert to fraction form
    314,927.16/472,248.54 = 90,236.13/x
  3. Step 3: Cross multiply
    314,927.16x = 472,248.54 × 90,236.13
  4. Step 4: Simplify right side
    314,927.16x = 42,613,880,647.75
  5. Step 5: Solve for x
    x = 42,613,880,647.75/314,927.16
  6. Step 6: Final answer
    x = 135,313.45

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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.