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Finding the Fourth Proportional to 475,075.47, 655,596.05 and 257,282.39

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Solution

The fourth proportional to 475,075.47, 655,596.05 and 257,282.39 is: 355,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,075.47 : 655,596.05 = 257,282.39 : x
  2. Step 2: Convert to fraction form
    475,075.47/655,596.05 = 257,282.39/x
  3. Step 3: Cross multiply
    475,075.47x = 655,596.05 × 257,282.39
  4. Step 4: Simplify right side
    475,075.47x = 168,673,314,054.17
  5. Step 5: Solve for x
    x = 168,673,314,054.17/475,075.47
  6. Step 6: Final answer
    x = 355,045.30

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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.