Home / 426,912.15-640,368.23-160,732.38

Finding the Fourth Proportional to 426,912.15, 640,368.23 and 160,732.38

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Solution

The fourth proportional to 426,912.15, 640,368.23 and 160,732.38 is: 241,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,912.15 : 640,368.23 = 160,732.38 : x
  2. Step 2: Convert to fraction form
    426,912.15/640,368.23 = 160,732.38/x
  3. Step 3: Cross multiply
    426,912.15x = 640,368.23 × 160,732.38
  4. Step 4: Simplify right side
    426,912.15x = 102,927,908,880.63
  5. Step 5: Solve for x
    x = 102,927,908,880.63/426,912.15
  6. Step 6: Final answer
    x = 241,098.57

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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.