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Finding the Fourth Proportional to 455,450.58, 628,526.82 and 251,501.22

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Solution

The fourth proportional to 455,450.58, 628,526.82 and 251,501.22 is: 347,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,450.58 : 628,526.82 = 251,501.22 : x
  2. Step 2: Convert to fraction form
    455,450.58/628,526.82 = 251,501.22/x
  3. Step 3: Cross multiply
    455,450.58x = 628,526.82 × 251,501.22
  4. Step 4: Simplify right side
    455,450.58x = 158,075,262,032.72
  5. Step 5: Solve for x
    x = 158,075,262,032.72/455,450.58
  6. Step 6: Final answer
    x = 347,074.46

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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.