Home / 346,980.96-478,837.44-203,742.72

Finding the Fourth Proportional to 346,980.96, 478,837.44 and 203,742.72

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Solution

The fourth proportional to 346,980.96, 478,837.44 and 203,742.72 is: 281,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,980.96 : 478,837.44 = 203,742.72 : x
  2. Step 2: Convert to fraction form
    346,980.96/478,837.44 = 203,742.72/x
  3. Step 3: Cross multiply
    346,980.96x = 478,837.44 × 203,742.72
  4. Step 4: Simplify right side
    346,980.96x = 97,559,642,463.44
  5. Step 5: Solve for x
    x = 97,559,642,463.44/346,980.96
  6. Step 6: Final answer
    x = 281,167.14

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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.