Home / 346,074.20-518,823.30-146,547.80

Finding the Fourth Proportional to 346,074.20, 518,823.30 and 146,547.80

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Solution

The fourth proportional to 346,074.20, 518,823.30 and 146,547.80 is: 219,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,074.20 : 518,823.30 = 146,547.80 : x
  2. Step 2: Convert to fraction form
    346,074.20/518,823.30 = 146,547.80/x
  3. Step 3: Cross multiply
    346,074.20x = 518,823.30 × 146,547.80
  4. Step 4: Simplify right side
    346,074.20x = 76,032,413,203.74
  5. Step 5: Solve for x
    x = 76,032,413,203.74/346,074.20
  6. Step 6: Final answer
    x = 219,699.74

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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.