Home / 346,647.51-519,867.95-146,964.69

Finding the Fourth Proportional to 346,647.51, 519,867.95 and 146,964.69

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Solution

The fourth proportional to 346,647.51, 519,867.95 and 146,964.69 is: 220,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,647.51 : 519,867.95 = 146,964.69 : x
  2. Step 2: Convert to fraction form
    346,647.51/519,867.95 = 146,964.69/x
  3. Step 3: Cross multiply
    346,647.51x = 519,867.95 × 146,964.69
  4. Step 4: Simplify right side
    346,647.51x = 76,402,231,377.86
  5. Step 5: Solve for x
    x = 76,402,231,377.86/346,647.51
  6. Step 6: Final answer
    x = 220,403.23

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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.