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Finding the Fourth Proportional to 535,284.70, 802,246.65 and 219,384.70

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Solution

The fourth proportional to 535,284.70, 802,246.65 and 219,384.70 is: 328,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,284.70 : 802,246.65 = 219,384.70 : x
  2. Step 2: Convert to fraction form
    535,284.70/802,246.65 = 219,384.70/x
  3. Step 3: Cross multiply
    535,284.70x = 802,246.65 × 219,384.70
  4. Step 4: Simplify right side
    535,284.70x = 176,000,640,636.26
  5. Step 5: Solve for x
    x = 176,000,640,636.26/535,284.70
  6. Step 6: Final answer
    x = 328,798.19

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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.