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Finding the Fourth Proportional to 295,071.51, 442,596.76 and 95,386.66

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Solution

The fourth proportional to 295,071.51, 442,596.76 and 95,386.66 is: 143,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,071.51 : 442,596.76 = 95,386.66 : x
  2. Step 2: Convert to fraction form
    295,071.51/442,596.76 = 95,386.66/x
  3. Step 3: Cross multiply
    295,071.51x = 442,596.76 × 95,386.66
  4. Step 4: Simplify right side
    295,071.51x = 42,217,827,807.87
  5. Step 5: Solve for x
    x = 42,217,827,807.87/295,071.51
  6. Step 6: Final answer
    x = 143,076.60

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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.