Home / 389,266.07-537,186.26-219,498.98

Finding the Fourth Proportional to 389,266.07, 537,186.26 and 219,498.98

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Solution

The fourth proportional to 389,266.07, 537,186.26 and 219,498.98 is: 302,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,266.07 : 537,186.26 = 219,498.98 : x
  2. Step 2: Convert to fraction form
    389,266.07/537,186.26 = 219,498.98/x
  3. Step 3: Cross multiply
    389,266.07x = 537,186.26 × 219,498.98
  4. Step 4: Simplify right side
    389,266.07x = 117,911,834,002.83
  5. Step 5: Solve for x
    x = 117,911,834,002.83/389,266.07
  6. Step 6: Final answer
    x = 302,908.07

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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.