Finding the Fourth Proportional to 489,263.48, 675,211.51 and 274,386.48
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Solution
The fourth proportional to 489,263.48, 675,211.51 and 274,386.48 is: 378,668.99
Step by Step Solution
- Step 1: Write the proportion equation
489,263.48 : 675,211.51 = 274,386.48 : x - Step 2: Convert to fraction form
489,263.48/675,211.51 = 274,386.48/x - Step 3: Cross multiply
489,263.48x = 675,211.51 × 274,386.48 - Step 4: Simplify right side
489,263.48x = 185,268,909,484.39 - Step 5: Solve for x
x = 185,268,909,484.39/489,263.48 - Step 6: Final answer
x = 378,668.99
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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.