Home / 581,439.65-872,090.07-155,007.45

Finding the Fourth Proportional to 581,439.65, 872,090.07 and 155,007.45

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Solution

The fourth proportional to 581,439.65, 872,090.07 and 155,007.45 is: 232,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,439.65 : 872,090.07 = 155,007.45 : x
  2. Step 2: Convert to fraction form
    581,439.65/872,090.07 = 155,007.45/x
  3. Step 3: Cross multiply
    581,439.65x = 872,090.07 × 155,007.45
  4. Step 4: Simplify right side
    581,439.65x = 135,180,457,921.02
  5. Step 5: Solve for x
    x = 135,180,457,921.02/581,439.65
  6. Step 6: Final answer
    x = 232,492.67

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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.