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Finding the Fourth Proportional to 264,551.47, 365,083.70 and 143,695.11

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Solution

The fourth proportional to 264,551.47, 365,083.70 and 143,695.11 is: 198,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,551.47 : 365,083.70 = 143,695.11 : x
  2. Step 2: Convert to fraction form
    264,551.47/365,083.70 = 143,695.11/x
  3. Step 3: Cross multiply
    264,551.47x = 365,083.70 × 143,695.11
  4. Step 4: Simplify right side
    264,551.47x = 52,460,742,430.71
  5. Step 5: Solve for x
    x = 52,460,742,430.71/264,551.47
  6. Step 6: Final answer
    x = 198,300.70

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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.