Home / 369,213.42-509,529.52-208,075.26

Finding the Fourth Proportional to 369,213.42, 509,529.52 and 208,075.26

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Solution

The fourth proportional to 369,213.42, 509,529.52 and 208,075.26 is: 287,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,213.42 : 509,529.52 = 208,075.26 : x
  2. Step 2: Convert to fraction form
    369,213.42/509,529.52 = 208,075.26/x
  3. Step 3: Cross multiply
    369,213.42x = 509,529.52 × 208,075.26
  4. Step 4: Simplify right side
    369,213.42x = 106,020,487,351.68
  5. Step 5: Solve for x
    x = 106,020,487,351.68/369,213.42
  6. Step 6: Final answer
    x = 287,152.31

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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.