Home / 338,341.48-507,511.30-151,221.76

Finding the Fourth Proportional to 338,341.48, 507,511.30 and 151,221.76

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Solution

The fourth proportional to 338,341.48, 507,511.30 and 151,221.76 is: 226,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,341.48 : 507,511.30 = 151,221.76 : x
  2. Step 2: Convert to fraction form
    338,341.48/507,511.30 = 151,221.76/x
  3. Step 3: Cross multiply
    338,341.48x = 507,511.30 × 151,221.76
  4. Step 4: Simplify right side
    338,341.48x = 76,746,752,005.89
  5. Step 5: Solve for x
    x = 76,746,752,005.89/338,341.48
  6. Step 6: Final answer
    x = 226,832.23

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1.5x scale

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.