Home / 383,043.04-528,602.64-210,979.36

Finding the Fourth Proportional to 383,043.04, 528,602.64 and 210,979.36

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Solution

The fourth proportional to 383,043.04, 528,602.64 and 210,979.36 is: 291,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,043.04 : 528,602.64 = 210,979.36 : x
  2. Step 2: Convert to fraction form
    383,043.04/528,602.64 = 210,979.36/x
  3. Step 3: Cross multiply
    383,043.04x = 528,602.64 × 210,979.36
  4. Step 4: Simplify right side
    383,043.04x = 111,524,246,681.51
  5. Step 5: Solve for x
    x = 111,524,246,681.51/383,043.04
  6. Step 6: Final answer
    x = 291,153.30

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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.