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Finding the Fourth Proportional to 292,717.61, 403,928.02 and 177,980.32

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Solution

The fourth proportional to 292,717.61, 403,928.02 and 177,980.32 is: 245,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,717.61 : 403,928.02 = 177,980.32 : x
  2. Step 2: Convert to fraction form
    292,717.61/403,928.02 = 177,980.32/x
  3. Step 3: Cross multiply
    292,717.61x = 403,928.02 × 177,980.32
  4. Step 4: Simplify right side
    292,717.61x = 71,891,237,982.81
  5. Step 5: Solve for x
    x = 71,891,237,982.81/292,717.61
  6. Step 6: Final answer
    x = 245,599.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.