Finding the Fourth Proportional to 942,602.16, 1,413,690.21 and 268,668.93
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Solution
The fourth proportional to 942,602.16, 1,413,690.21 and 268,668.93 is: 402,942.68
Step by Step Solution
- Step 1: Write the proportion equation
942,602.16 : 1,413,690.21 = 268,668.93 : x - Step 2: Convert to fraction form
942,602.16/1,413,690.21 = 268,668.93/x - Step 3: Cross multiply
942,602.16x = 1,413,690.21 × 268,668.93 - Step 4: Simplify right side
942,602.16x = 379,814,636,072.18 - Step 5: Solve for x
x = 379,814,636,072.18/942,602.16 - Step 6: Final answer
x = 402,942.68
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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.