Home / 210,329.72-290,317.14-146,688.02

Finding the Fourth Proportional to 210,329.72, 290,317.14 and 146,688.02

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Solution

The fourth proportional to 210,329.72, 290,317.14 and 146,688.02 is: 202,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.72 : 290,317.14 = 146,688.02 : x
  2. Step 2: Convert to fraction form
    210,329.72/290,317.14 = 146,688.02/x
  3. Step 3: Cross multiply
    210,329.72x = 290,317.14 × 146,688.02
  4. Step 4: Simplify right side
    210,329.72x = 42,586,046,438.66
  5. Step 5: Solve for x
    x = 42,586,046,438.66/210,329.72
  6. Step 6: Final answer
    x = 202,472.80

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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.