Home / 343,075.23-472,852.71-228,148.47

Finding the Fourth Proportional to 343,075.23, 472,852.71 and 228,148.47

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Solution

The fourth proportional to 343,075.23, 472,852.71 and 228,148.47 is: 314,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,075.23 : 472,852.71 = 228,148.47 : x
  2. Step 2: Convert to fraction form
    343,075.23/472,852.71 = 228,148.47/x
  3. Step 3: Cross multiply
    343,075.23x = 472,852.71 × 228,148.47
  4. Step 4: Simplify right side
    343,075.23x = 107,880,622,321.85
  5. Step 5: Solve for x
    x = 107,880,622,321.85/343,075.23
  6. Step 6: Final answer
    x = 314,451.80

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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.