Finding the Fourth Proportional to 368,407.14, 552,588.18 and 216,688.14
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Solution
The fourth proportional to 368,407.14, 552,588.18 and 216,688.14 is: 325,018.96
Step by Step Solution
- Step 1: Write the proportion equation
368,407.14 : 552,588.18 = 216,688.14 : x - Step 2: Convert to fraction form
368,407.14/552,588.18 = 216,688.14/x - Step 3: Cross multiply
368,407.14x = 552,588.18 × 216,688.14 - Step 4: Simplify right side
368,407.14x = 119,739,304,910.19 - Step 5: Solve for x
x = 119,739,304,910.19/368,407.14 - Step 6: Final answer
x = 325,018.96
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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.