Finding the Fourth Proportional to 544,569.12, 816,296.40 and 189,291.60
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Solution
The fourth proportional to 544,569.12, 816,296.40 and 189,291.60 is: 283,743.69
Step by Step Solution
- Step 1: Write the proportion equation
544,569.12 : 816,296.40 = 189,291.60 : x - Step 2: Convert to fraction form
544,569.12/816,296.40 = 189,291.60/x - Step 3: Cross multiply
544,569.12x = 816,296.40 × 189,291.60 - Step 4: Simplify right side
544,569.12x = 154,518,051,630.24 - Step 5: Solve for x
x = 154,518,051,630.24/544,569.12 - Step 6: Final answer
x = 283,743.69
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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.