Home / 355,564.66-533,347.50-145,202.60

Finding the Fourth Proportional to 355,564.66, 533,347.50 and 145,202.60

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Solution

The fourth proportional to 355,564.66, 533,347.50 and 145,202.60 is: 217,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,564.66 : 533,347.50 = 145,202.60 : x
  2. Step 2: Convert to fraction form
    355,564.66/533,347.50 = 145,202.60/x
  3. Step 3: Cross multiply
    355,564.66x = 533,347.50 × 145,202.60
  4. Step 4: Simplify right side
    355,564.66x = 77,443,441,036.76
  5. Step 5: Solve for x
    x = 77,443,441,036.76/355,564.66
  6. Step 6: Final answer
    x = 217,804.10

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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.