Home / 405,492.24-607,841.10-225,663.40

Finding the Fourth Proportional to 405,492.24, 607,841.10 and 225,663.40

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Solution

The fourth proportional to 405,492.24, 607,841.10 and 225,663.40 is: 338,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,492.24 : 607,841.10 = 225,663.40 : x
  2. Step 2: Convert to fraction form
    405,492.24/607,841.10 = 225,663.40/x
  3. Step 3: Cross multiply
    405,492.24x = 607,841.10 × 225,663.40
  4. Step 4: Simplify right side
    405,492.24x = 137,167,489,285.74
  5. Step 5: Solve for x
    x = 137,167,489,285.74/405,492.24
  6. Step 6: Final answer
    x = 338,274.02

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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.