Home / 401,389.04-602,006.92-201,653.98

Finding the Fourth Proportional to 401,389.04, 602,006.92 and 201,653.98

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Solution

The fourth proportional to 401,389.04, 602,006.92 and 201,653.98 is: 302,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,389.04 : 602,006.92 = 201,653.98 : x
  2. Step 2: Convert to fraction form
    401,389.04/602,006.92 = 201,653.98/x
  3. Step 3: Cross multiply
    401,389.04x = 602,006.92 × 201,653.98
  4. Step 4: Simplify right side
    401,389.04x = 121,397,091,405.54
  5. Step 5: Solve for x
    x = 121,397,091,405.54/401,389.04
  6. Step 6: Final answer
    x = 302,442.47

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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.