Home / 401,541.04-602,312.64-135,488.44

Finding the Fourth Proportional to 401,541.04, 602,312.64 and 135,488.44

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Solution

The fourth proportional to 401,541.04, 602,312.64 and 135,488.44 is: 203,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,541.04 : 602,312.64 = 135,488.44 : x
  2. Step 2: Convert to fraction form
    401,541.04/602,312.64 = 135,488.44/x
  3. Step 3: Cross multiply
    401,541.04x = 602,312.64 × 135,488.44
  4. Step 4: Simplify right side
    401,541.04x = 81,606,399,985.88
  5. Step 5: Solve for x
    x = 81,606,399,985.88/401,541.04
  6. Step 6: Final answer
    x = 203,233.02

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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.