Finding the Fourth Proportional to 358,569.68, 494,822.52 and 197,421.68
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Solution
The fourth proportional to 358,569.68, 494,822.52 and 197,421.68 is: 272,439.92
Step by Step Solution
- Step 1: Write the proportion equation
358,569.68 : 494,822.52 = 197,421.68 : x - Step 2: Convert to fraction form
358,569.68/494,822.52 = 197,421.68/x - Step 3: Cross multiply
358,569.68x = 494,822.52 × 197,421.68 - Step 4: Simplify right side
358,569.68x = 97,688,693,200.23 - Step 5: Solve for x
x = 97,688,693,200.23/358,569.68 - Step 6: Final answer
x = 272,439.92
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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.