Home / 291,072.04-401,678.81-163,747.64

Finding the Fourth Proportional to 291,072.04, 401,678.81 and 163,747.64

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Solution

The fourth proportional to 291,072.04, 401,678.81 and 163,747.64 is: 225,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,072.04 : 401,678.81 = 163,747.64 : x
  2. Step 2: Convert to fraction form
    291,072.04/401,678.81 = 163,747.64/x
  3. Step 3: Cross multiply
    291,072.04x = 401,678.81 × 163,747.64
  4. Step 4: Simplify right side
    291,072.04x = 65,773,956,510.71
  5. Step 5: Solve for x
    x = 65,773,956,510.71/291,072.04
  6. Step 6: Final answer
    x = 225,971.40

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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.