Home / 377,031.31-520,290.03-207,264.22

Finding the Fourth Proportional to 377,031.31, 520,290.03 and 207,264.22

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Solution

The fourth proportional to 377,031.31, 520,290.03 and 207,264.22 is: 286,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,031.31 : 520,290.03 = 207,264.22 : x
  2. Step 2: Convert to fraction form
    377,031.31/520,290.03 = 207,264.22/x
  3. Step 3: Cross multiply
    377,031.31x = 520,290.03 × 207,264.22
  4. Step 4: Simplify right side
    377,031.31x = 107,837,506,718.24
  5. Step 5: Solve for x
    x = 107,837,506,718.24/377,031.31
  6. Step 6: Final answer
    x = 286,017.38

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1.5x scale

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.