Home / 426,000.84-638,466.66-225,827.16

Finding the Fourth Proportional to 426,000.84, 638,466.66 and 225,827.16

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Solution

The fourth proportional to 426,000.84, 638,466.66 and 225,827.16 is: 338,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,000.84 : 638,466.66 = 225,827.16 : x
  2. Step 2: Convert to fraction form
    426,000.84/638,466.66 = 225,827.16/x
  3. Step 3: Cross multiply
    426,000.84x = 638,466.66 × 225,827.16
  4. Step 4: Simplify right side
    426,000.84x = 144,183,112,582.49
  5. Step 5: Solve for x
    x = 144,183,112,582.49/426,000.84
  6. Step 6: Final answer
    x = 338,457.34

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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.