Finding the Fourth Proportional to 751,668.19, 1,127,567.99 and 190,702.69
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Solution
The fourth proportional to 751,668.19, 1,127,567.99 and 190,702.69 is: 286,070.70
Step by Step Solution
- Step 1: Write the proportion equation
751,668.19 : 1,127,567.99 = 190,702.69 : x - Step 2: Convert to fraction form
751,668.19/1,127,567.99 = 190,702.69/x - Step 3: Cross multiply
751,668.19x = 1,127,567.99 × 190,702.69 - Step 4: Simplify right side
751,668.19x = 215,030,246,508.73 - Step 5: Solve for x
x = 215,030,246,508.73/751,668.19 - Step 6: Final answer
x = 286,070.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.