Finding the Fourth Proportional to 455,267.68, 628,237.18 and 251,285.88
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Solution
The fourth proportional to 455,267.68, 628,237.18 and 251,285.88 is: 346,756.73
Step by Step Solution
- Step 1: Write the proportion equation
455,267.68 : 628,237.18 = 251,285.88 : x - Step 2: Convert to fraction form
455,267.68/628,237.18 = 251,285.88/x - Step 3: Cross multiply
455,267.68x = 628,237.18 × 251,285.88 - Step 4: Simplify right side
455,267.68x = 157,867,132,625.02 - Step 5: Solve for x
x = 157,867,132,625.02/455,267.68 - Step 6: Final answer
x = 346,756.73
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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.