Home / 291,210.34-401,869.44-163,885.93

Finding the Fourth Proportional to 291,210.34, 401,869.44 and 163,885.93

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Solution

The fourth proportional to 291,210.34, 401,869.44 and 163,885.93 is: 226,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,210.34 : 401,869.44 = 163,885.93 : x
  2. Step 2: Convert to fraction form
    291,210.34/401,869.44 = 163,885.93/x
  3. Step 3: Cross multiply
    291,210.34x = 401,869.44 × 163,885.93
  4. Step 4: Simplify right side
    291,210.34x = 65,860,748,029.89
  5. Step 5: Solve for x
    x = 65,860,748,029.89/291,210.34
  6. Step 6: Final answer
    x = 226,162.12

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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.