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Finding the Fourth Proportional to 364,784.50, 546,727.47 and 259,030.90

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Solution

The fourth proportional to 364,784.50, 546,727.47 and 259,030.90 is: 388,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,784.50 : 546,727.47 = 259,030.90 : x
  2. Step 2: Convert to fraction form
    364,784.50/546,727.47 = 259,030.90/x
  3. Step 3: Cross multiply
    364,784.50x = 546,727.47 × 259,030.90
  4. Step 4: Simplify right side
    364,784.50x = 141,619,308,608.82
  5. Step 5: Solve for x
    x = 141,619,308,608.82/364,784.50
  6. Step 6: Final answer
    x = 388,227.32

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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.