Finding the Fourth Proportional to 501,688.84, 692,327.10 and 272,240.29
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Solution
The fourth proportional to 501,688.84, 692,327.10 and 272,240.29 is: 375,689.70
Step by Step Solution
- Step 1: Write the proportion equation
501,688.84 : 692,327.10 = 272,240.29 : x - Step 2: Convert to fraction form
501,688.84/692,327.10 = 272,240.29/x - Step 3: Cross multiply
501,688.84x = 692,327.10 × 272,240.29 - Step 4: Simplify right side
501,688.84x = 188,479,330,833.82 - Step 5: Solve for x
x = 188,479,330,833.82/501,688.84 - Step 6: Final answer
x = 375,689.70
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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.