Home / 402,338.08-554,995.58-251,172.64

Finding the Fourth Proportional to 402,338.08, 554,995.58 and 251,172.64

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Solution

The fourth proportional to 402,338.08, 554,995.58 and 251,172.64 is: 346,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,338.08 : 554,995.58 = 251,172.64 : x
  2. Step 2: Convert to fraction form
    402,338.08/554,995.58 = 251,172.64/x
  3. Step 3: Cross multiply
    402,338.08x = 554,995.58 × 251,172.64
  4. Step 4: Simplify right side
    402,338.08x = 139,399,702,373.58
  5. Step 5: Solve for x
    x = 139,399,702,373.58/402,338.08
  6. Step 6: Final answer
    x = 346,474.05

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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.