Home / 346,609.30-478,064.73-219,162.10

Finding the Fourth Proportional to 346,609.30, 478,064.73 and 219,162.10

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Solution

The fourth proportional to 346,609.30, 478,064.73 and 219,162.10 is: 302,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,609.30 : 478,064.73 = 219,162.10 : x
  2. Step 2: Convert to fraction form
    346,609.30/478,064.73 = 219,162.10/x
  3. Step 3: Cross multiply
    346,609.30x = 478,064.73 × 219,162.10
  4. Step 4: Simplify right side
    346,609.30x = 104,773,670,162.73
  5. Step 5: Solve for x
    x = 104,773,670,162.73/346,609.30
  6. Step 6: Final answer
    x = 302,281.76

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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.