Home / 310,563.20-428,592.45-174,639.93

Finding the Fourth Proportional to 310,563.20, 428,592.45 and 174,639.93

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Solution

The fourth proportional to 310,563.20, 428,592.45 and 174,639.93 is: 241,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,563.20 : 428,592.45 = 174,639.93 : x
  2. Step 2: Convert to fraction form
    310,563.20/428,592.45 = 174,639.93/x
  3. Step 3: Cross multiply
    310,563.20x = 428,592.45 × 174,639.93
  4. Step 4: Simplify right side
    310,563.20x = 74,849,355,466.53
  5. Step 5: Solve for x
    x = 74,849,355,466.53/310,563.20
  6. Step 6: Final answer
    x = 241,011.67

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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.