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Finding the Fourth Proportional to 606,307.02, 909,543.53 and 206,840.54

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Solution

The fourth proportional to 606,307.02, 909,543.53 and 206,840.54 is: 310,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,307.02 : 909,543.53 = 206,840.54 : x
  2. Step 2: Convert to fraction form
    606,307.02/909,543.53 = 206,840.54/x
  3. Step 3: Cross multiply
    606,307.02x = 909,543.53 × 206,840.54
  4. Step 4: Simplify right side
    606,307.02x = 188,130,472,573.48
  5. Step 5: Solve for x
    x = 188,130,472,573.48/606,307.02
  6. Step 6: Final answer
    x = 310,289.12

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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.