Finding the Fourth Proportional to 368,705.28, 508,822.97 and 207,566.21
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Solution
The fourth proportional to 368,705.28, 508,822.97 and 207,566.21 is: 286,446.82
Step by Step Solution
- Step 1: Write the proportion equation
368,705.28 : 508,822.97 = 207,566.21 : x - Step 2: Convert to fraction form
368,705.28/508,822.97 = 207,566.21/x - Step 3: Cross multiply
368,705.28x = 508,822.97 × 207,566.21 - Step 4: Simplify right side
368,705.28x = 105,614,455,678.07 - Step 5: Solve for x
x = 105,614,455,678.07/368,705.28 - Step 6: Final answer
x = 286,446.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.