Finding the Fourth Proportional to 389,197.36, 537,092.04 and 210,349.36
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Solution
The fourth proportional to 389,197.36, 537,092.04 and 210,349.36 is: 290,281.95
Step by Step Solution
- Step 1: Write the proportion equation
389,197.36 : 537,092.04 = 210,349.36 : x - Step 2: Convert to fraction form
389,197.36/537,092.04 = 210,349.36/x - Step 3: Cross multiply
389,197.36x = 537,092.04 × 210,349.36 - Step 4: Simplify right side
389,197.36x = 112,976,966,875.09 - Step 5: Solve for x
x = 112,976,966,875.09/389,197.36 - Step 6: Final answer
x = 290,281.95
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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.