Finding the Fourth Proportional to 495,555.93, 683,809.17 and 291,561.99
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Solution
The fourth proportional to 495,555.93, 683,809.17 and 291,561.99 is: 402,321.41
Step by Step Solution
- Step 1: Write the proportion equation
495,555.93 : 683,809.17 = 291,561.99 : x - Step 2: Convert to fraction form
495,555.93/683,809.17 = 291,561.99/x - Step 3: Cross multiply
495,555.93x = 683,809.17 × 291,561.99 - Step 4: Simplify right side
495,555.93x = 199,372,762,385.45 - Step 5: Solve for x
x = 199,372,762,385.45/495,555.93 - Step 6: Final answer
x = 402,321.41
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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.