Finding the Fourth Proportional to 157,400.60, 236,124.12 and 57,537.44
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Solution
The fourth proportional to 157,400.60, 236,124.12 and 57,537.44 is: 86,314.65
Step by Step Solution
- Step 1: Write the proportion equation
157,400.60 : 236,124.12 = 57,537.44 : x - Step 2: Convert to fraction form
157,400.60/236,124.12 = 57,537.44/x - Step 3: Cross multiply
157,400.60x = 236,124.12 × 57,537.44 - Step 4: Simplify right side
157,400.60x = 13,585,977,387.05 - Step 5: Solve for x
x = 13,585,977,387.05/157,400.60 - Step 6: Final answer
x = 86,314.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.