Home / 377,823.04-521,384.40-208,058.08

Finding the Fourth Proportional to 377,823.04, 521,384.40 and 208,058.08

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Solution

The fourth proportional to 377,823.04, 521,384.40 and 208,058.08 is: 287,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,823.04 : 521,384.40 = 208,058.08 : x
  2. Step 2: Convert to fraction form
    377,823.04/521,384.40 = 208,058.08/x
  3. Step 3: Cross multiply
    377,823.04x = 521,384.40 × 208,058.08
  4. Step 4: Simplify right side
    377,823.04x = 108,478,237,205.95
  5. Step 5: Solve for x
    x = 108,478,237,205.95/377,823.04
  6. Step 6: Final answer
    x = 287,113.88

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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.