Home / 346,237.42-519,385.86-121,578.54

Finding the Fourth Proportional to 346,237.42, 519,385.86 and 121,578.54

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Solution

The fourth proportional to 346,237.42, 519,385.86 and 121,578.54 is: 182,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,237.42 : 519,385.86 = 121,578.54 : x
  2. Step 2: Convert to fraction form
    346,237.42/519,385.86 = 121,578.54/x
  3. Step 3: Cross multiply
    346,237.42x = 519,385.86 × 121,578.54
  4. Step 4: Simplify right side
    346,237.42x = 63,146,174,555.44
  5. Step 5: Solve for x
    x = 63,146,174,555.44/346,237.42
  6. Step 6: Final answer
    x = 182,378.25

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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.