Home / 369,919.22-510,503.00-208,779.84

Finding the Fourth Proportional to 369,919.22, 510,503.00 and 208,779.84

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Solution

The fourth proportional to 369,919.22, 510,503.00 and 208,779.84 is: 288,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,919.22 : 510,503.00 = 208,779.84 : x
  2. Step 2: Convert to fraction form
    369,919.22/510,503.00 = 208,779.84/x
  3. Step 3: Cross multiply
    369,919.22x = 510,503.00 × 208,779.84
  4. Step 4: Simplify right side
    369,919.22x = 106,582,733,615.62
  5. Step 5: Solve for x
    x = 106,582,733,615.62/369,919.22
  6. Step 6: Final answer
    x = 288,124.35

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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.