Home / 371,223.63-512,288.28-210,075.75

Finding the Fourth Proportional to 371,223.63, 512,288.28 and 210,075.75

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Solution

The fourth proportional to 371,223.63, 512,288.28 and 210,075.75 is: 289,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,223.63 : 512,288.28 = 210,075.75 : x
  2. Step 2: Convert to fraction form
    371,223.63/512,288.28 = 210,075.75/x
  3. Step 3: Cross multiply
    371,223.63x = 512,288.28 × 210,075.75
  4. Step 4: Simplify right side
    371,223.63x = 107,619,344,637.21
  5. Step 5: Solve for x
    x = 107,619,344,637.21/371,223.63
  6. Step 6: Final answer
    x = 289,904.35

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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.