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Finding the Fourth Proportional to 493,578.84, 740,370.51 and 152,018.19

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Solution

The fourth proportional to 493,578.84, 740,370.51 and 152,018.19 is: 228,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,578.84 : 740,370.51 = 152,018.19 : x
  2. Step 2: Convert to fraction form
    493,578.84/740,370.51 = 152,018.19/x
  3. Step 3: Cross multiply
    493,578.84x = 740,370.51 × 152,018.19
  4. Step 4: Simplify right side
    493,578.84x = 112,549,784,859.58
  5. Step 5: Solve for x
    x = 112,549,784,859.58/493,578.84
  6. Step 6: Final answer
    x = 228,027.98

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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.