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Finding the Fourth Proportional to 339,505.02, 468,536.40 and 188,602.02

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Solution

The fourth proportional to 339,505.02, 468,536.40 and 188,602.02 is: 260,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,505.02 : 468,536.40 = 188,602.02 : x
  2. Step 2: Convert to fraction form
    339,505.02/468,536.40 = 188,602.02/x
  3. Step 3: Cross multiply
    339,505.02x = 468,536.40 × 188,602.02
  4. Step 4: Simplify right side
    339,505.02x = 88,366,911,483.53
  5. Step 5: Solve for x
    x = 88,366,911,483.53/339,505.02
  6. Step 6: Final answer
    x = 260,281.60

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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.