Home / 383,331.45-528,638.60-302,951.00

Finding the Fourth Proportional to 383,331.45, 528,638.60 and 302,951.00

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Solution

The fourth proportional to 383,331.45, 528,638.60 and 302,951.00 is: 417,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,331.45 : 528,638.60 = 302,951.00 : x
  2. Step 2: Convert to fraction form
    383,331.45/528,638.60 = 302,951.00/x
  3. Step 3: Cross multiply
    383,331.45x = 528,638.60 × 302,951.00
  4. Step 4: Simplify right side
    383,331.45x = 160,151,594,587.57
  5. Step 5: Solve for x
    x = 160,151,594,587.57/383,331.45
  6. Step 6: Final answer
    x = 417,788.82

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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.