Finding the Fourth Proportional to 368,486.66, 508,508.30 and 207,338.49
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Solution
The fourth proportional to 368,486.66, 508,508.30 and 207,338.49 is: 286,125.26
Step by Step Solution
- Step 1: Write the proportion equation
368,486.66 : 508,508.30 = 207,338.49 : x - Step 2: Convert to fraction form
368,486.66/508,508.30 = 207,338.49/x - Step 3: Cross multiply
368,486.66x = 508,508.30 × 207,338.49 - Step 4: Simplify right side
368,486.66x = 105,433,343,592.81 - Step 5: Solve for x
x = 105,433,343,592.81/368,486.66 - Step 6: Final answer
x = 286,125.26
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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.