Finding the Fourth Proportional to 458,813.79, 687,841.65 and 202,463.82
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Solution
The fourth proportional to 458,813.79, 687,841.65 and 202,463.82 is: 303,528.47
Step by Step Solution
- Step 1: Write the proportion equation
458,813.79 : 687,841.65 = 202,463.82 : x - Step 2: Convert to fraction form
458,813.79/687,841.65 = 202,463.82/x - Step 3: Cross multiply
458,813.79x = 687,841.65 × 202,463.82 - Step 4: Simplify right side
458,813.79x = 139,263,048,014.10 - Step 5: Solve for x
x = 139,263,048,014.10/458,813.79 - Step 6: Final answer
x = 303,528.47
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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.