Finding the Fourth Proportional to 438,556.48, 658,097.12 and 189,238.48
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Solution
The fourth proportional to 438,556.48, 658,097.12 and 189,238.48 is: 283,970.95
Step by Step Solution
- Step 1: Write the proportion equation
438,556.48 : 658,097.12 = 189,238.48 : x - Step 2: Convert to fraction form
438,556.48/658,097.12 = 189,238.48/x - Step 3: Cross multiply
438,556.48x = 658,097.12 × 189,238.48 - Step 4: Simplify right side
438,556.48x = 124,537,298,681.18 - Step 5: Solve for x
x = 124,537,298,681.18/438,556.48 - Step 6: Final answer
x = 283,970.95
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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.