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Finding the Fourth Proportional to 286,693.62, 395,637.66 and 159,368.10

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Solution

The fourth proportional to 286,693.62, 395,637.66 and 159,368.10 is: 219,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,693.62 : 395,637.66 = 159,368.10 : x
  2. Step 2: Convert to fraction form
    286,693.62/395,637.66 = 159,368.10/x
  3. Step 3: Cross multiply
    286,693.62x = 395,637.66 × 159,368.10
  4. Step 4: Simplify right side
    286,693.62x = 63,052,022,162.65
  5. Step 5: Solve for x
    x = 63,052,022,162.65/286,693.62
  6. Step 6: Final answer
    x = 219,928.24

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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.