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Finding the Fourth Proportional to 312,021.43, 468,102.61 and 98,802.29

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Solution

The fourth proportional to 312,021.43, 468,102.61 and 98,802.29 is: 148,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,021.43 : 468,102.61 = 98,802.29 : x
  2. Step 2: Convert to fraction form
    312,021.43/468,102.61 = 98,802.29/x
  3. Step 3: Cross multiply
    312,021.43x = 468,102.61 × 98,802.29
  4. Step 4: Simplify right side
    312,021.43x = 46,249,611,116.74
  5. Step 5: Solve for x
    x = 46,249,611,116.74/312,021.43
  6. Step 6: Final answer
    x = 148,225.75

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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.