Home / 313,271.05-432,314.43-170,031.13

Finding the Fourth Proportional to 313,271.05, 432,314.43 and 170,031.13

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Solution

The fourth proportional to 313,271.05, 432,314.43 and 170,031.13 is: 234,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,271.05 : 432,314.43 = 170,031.13 : x
  2. Step 2: Convert to fraction form
    313,271.05/432,314.43 = 170,031.13/x
  3. Step 3: Cross multiply
    313,271.05x = 432,314.43 × 170,031.13
  4. Step 4: Simplify right side
    313,271.05x = 73,506,911,048.21
  5. Step 5: Solve for x
    x = 73,506,911,048.21/313,271.05
  6. Step 6: Final answer
    x = 234,643.17

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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.