Home / 346,728.61-478,165.26-266,159.53

Finding the Fourth Proportional to 346,728.61, 478,165.26 and 266,159.53

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Solution

The fourth proportional to 346,728.61, 478,165.26 and 266,159.53 is: 367,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,728.61 : 478,165.26 = 266,159.53 : x
  2. Step 2: Convert to fraction form
    346,728.61/478,165.26 = 266,159.53/x
  3. Step 3: Cross multiply
    346,728.61x = 478,165.26 × 266,159.53
  4. Step 4: Simplify right side
    346,728.61x = 127,268,240,863.93
  5. Step 5: Solve for x
    x = 127,268,240,863.93/346,728.61
  6. Step 6: Final answer
    x = 367,054.34

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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.