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Finding the Fourth Proportional to 346,603.72, 519,903.94 and 93,883.72

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Solution

The fourth proportional to 346,603.72, 519,903.94 and 93,883.72 is: 140,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,603.72 : 519,903.94 = 93,883.72 : x
  2. Step 2: Convert to fraction form
    346,603.72/519,903.94 = 93,883.72/x
  3. Step 3: Cross multiply
    346,603.72x = 519,903.94 × 93,883.72
  4. Step 4: Simplify right side
    346,603.72x = 48,810,515,929.86
  5. Step 5: Solve for x
    x = 48,810,515,929.86/346,603.72
  6. Step 6: Final answer
    x = 140,825.14

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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.