Home / 686,889.24-1,030,217.22-181,455.72

Finding the Fourth Proportional to 686,889.24, 1,030,217.22 and 181,455.72

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Solution

The fourth proportional to 686,889.24, 1,030,217.22 and 181,455.72 is: 272,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,889.24 : 1,030,217.22 = 181,455.72 : x
  2. Step 2: Convert to fraction form
    686,889.24/1,030,217.22 = 181,455.72/x
  3. Step 3: Cross multiply
    686,889.24x = 1,030,217.22 × 181,455.72
  4. Step 4: Simplify right side
    686,889.24x = 186,938,807,411.50
  5. Step 5: Solve for x
    x = 186,938,807,411.50/686,889.24
  6. Step 6: Final answer
    x = 272,152.77

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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.