Home / 307,299.34-424,038.85-186,470.02

Finding the Fourth Proportional to 307,299.34, 424,038.85 and 186,470.02

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Solution

The fourth proportional to 307,299.34, 424,038.85 and 186,470.02 is: 257,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,299.34 : 424,038.85 = 186,470.02 : x
  2. Step 2: Convert to fraction form
    307,299.34/424,038.85 = 186,470.02/x
  3. Step 3: Cross multiply
    307,299.34x = 424,038.85 × 186,470.02
  4. Step 4: Simplify right side
    307,299.34x = 79,070,532,840.28
  5. Step 5: Solve for x
    x = 79,070,532,840.28/307,299.34
  6. Step 6: Final answer
    x = 257,307.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.