Home / 389,678.90-537,715.82-226,303.52

Finding the Fourth Proportional to 389,678.90, 537,715.82 and 226,303.52

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Solution

The fourth proportional to 389,678.90, 537,715.82 and 226,303.52 is: 312,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,678.90 : 537,715.82 = 226,303.52 : x
  2. Step 2: Convert to fraction form
    389,678.90/537,715.82 = 226,303.52/x
  3. Step 3: Cross multiply
    389,678.90x = 537,715.82 × 226,303.52
  4. Step 4: Simplify right side
    389,678.90x = 121,686,980,702.87
  5. Step 5: Solve for x
    x = 121,686,980,702.87/389,678.90
  6. Step 6: Final answer
    x = 312,275.01

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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.