Home / 390,844.07-586,546.46-166,362.19

Finding the Fourth Proportional to 390,844.07, 586,546.46 and 166,362.19

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Solution

The fourth proportional to 390,844.07, 586,546.46 and 166,362.19 is: 249,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,844.07 : 586,546.46 = 166,362.19 : x
  2. Step 2: Convert to fraction form
    390,844.07/586,546.46 = 166,362.19/x
  3. Step 3: Cross multiply
    390,844.07x = 586,546.46 × 166,362.19
  4. Step 4: Simplify right side
    390,844.07x = 97,579,152,571.89
  5. Step 5: Solve for x
    x = 97,579,152,571.89/390,844.07
  6. Step 6: Final answer
    x = 249,662.62

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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.