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Finding the Fourth Proportional to 341,420.05, 511,840.87 and 141,615.73

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Solution

The fourth proportional to 341,420.05, 511,840.87 and 141,615.73 is: 212,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,420.05 : 511,840.87 = 141,615.73 : x
  2. Step 2: Convert to fraction form
    341,420.05/511,840.87 = 141,615.73/x
  3. Step 3: Cross multiply
    341,420.05x = 511,840.87 × 141,615.73
  4. Step 4: Simplify right side
    341,420.05x = 72,484,718,448.89
  5. Step 5: Solve for x
    x = 72,484,718,448.89/341,420.05
  6. Step 6: Final answer
    x = 212,303.64

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1.5x scale

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.