Home / 369,635.07-510,075.25-208,480.51

Finding the Fourth Proportional to 369,635.07, 510,075.25 and 208,480.51

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Solution

The fourth proportional to 369,635.07, 510,075.25 and 208,480.51 is: 287,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,635.07 : 510,075.25 = 208,480.51 : x
  2. Step 2: Convert to fraction form
    369,635.07/510,075.25 = 208,480.51/x
  3. Step 3: Cross multiply
    369,635.07x = 510,075.25 × 208,480.51
  4. Step 4: Simplify right side
    369,635.07x = 106,340,748,258.38
  5. Step 5: Solve for x
    x = 106,340,748,258.38/369,635.07
  6. Step 6: Final answer
    x = 287,691.18

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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.