Home / 518,823.04-778,258.40-158,968.12

Finding the Fourth Proportional to 518,823.04, 778,258.40 and 158,968.12

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Solution

The fourth proportional to 518,823.04, 778,258.40 and 158,968.12 is: 238,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,823.04 : 778,258.40 = 158,968.12 : x
  2. Step 2: Convert to fraction form
    518,823.04/778,258.40 = 158,968.12/x
  3. Step 3: Cross multiply
    518,823.04x = 778,258.40 × 158,968.12
  4. Step 4: Simplify right side
    518,823.04x = 123,718,274,722.21
  5. Step 5: Solve for x
    x = 123,718,274,722.21/518,823.04
  6. Step 6: Final answer
    x = 238,459.48

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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.