Finding the Fourth Proportional to 457,370.67, 686,684.42 and 232,881.95
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Solution
The fourth proportional to 457,370.67, 686,684.42 and 232,881.95 is: 349,642.89
Step by Step Solution
- Step 1: Write the proportion equation
457,370.67 : 686,684.42 = 232,881.95 : x - Step 2: Convert to fraction form
457,370.67/686,684.42 = 232,881.95/x - Step 3: Cross multiply
457,370.67x = 686,684.42 × 232,881.95 - Step 4: Simplify right side
457,370.67x = 159,916,402,166.39 - Step 5: Solve for x
x = 159,916,402,166.39/457,370.67 - Step 6: Final answer
x = 349,642.89
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1.5x scale
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.