Finding the Fourth Proportional to 692,194.96, 1,038,394.68 and 218,772.88
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Solution
The fourth proportional to 692,194.96, 1,038,394.68 and 218,772.88 is: 328,191.63
Step by Step Solution
- Step 1: Write the proportion equation
692,194.96 : 1,038,394.68 = 218,772.88 : x - Step 2: Convert to fraction form
692,194.96/1,038,394.68 = 218,772.88/x - Step 3: Cross multiply
692,194.96x = 1,038,394.68 × 218,772.88 - Step 4: Simplify right side
692,194.96x = 227,172,594,720.28 - Step 5: Solve for x
x = 227,172,594,720.28/692,194.96 - Step 6: Final answer
x = 328,191.63
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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.