Finding the Fourth Proportional to 610,147.09, 842,024.82 and 368,382.70
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Solution
The fourth proportional to 610,147.09, 842,024.82 and 368,382.70 is: 508,381.31
Step by Step Solution
- Step 1: Write the proportion equation
610,147.09 : 842,024.82 = 368,382.70 : x - Step 2: Convert to fraction form
610,147.09/842,024.82 = 368,382.70/x - Step 3: Cross multiply
610,147.09x = 842,024.82 × 368,382.70 - Step 4: Simplify right side
610,147.09x = 310,187,376,658.61 - Step 5: Solve for x
x = 310,187,376,658.61/610,147.09 - Step 6: Final answer
x = 508,381.31
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1.5x scale
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.