Finding the Fourth Proportional to 399,617.18, 596,510.68 and 349,171.28
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Solution
The fourth proportional to 399,617.18, 596,510.68 and 349,171.28 is: 521,209.82
Step by Step Solution
- Step 1: Write the proportion equation
399,617.18 : 596,510.68 = 349,171.28 : x - Step 2: Convert to fraction form
399,617.18/596,510.68 = 349,171.28/x - Step 3: Cross multiply
399,617.18x = 596,510.68 × 349,171.28 - Step 4: Simplify right side
399,617.18x = 208,284,397,669.27 - Step 5: Solve for x
x = 208,284,397,669.27/399,617.18 - Step 6: Final answer
x = 521,209.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.