Finding the Fourth Proportional to 356,390.57, 534,665.63 and 119,726.79
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Solution
The fourth proportional to 356,390.57, 534,665.63 and 119,726.79 is: 179,616.99
Step by Step Solution
- Step 1: Write the proportion equation
356,390.57 : 534,665.63 = 119,726.79 : x - Step 2: Convert to fraction form
356,390.57/534,665.63 = 119,726.79/x - Step 3: Cross multiply
356,390.57x = 534,665.63 × 119,726.79 - Step 4: Simplify right side
356,390.57x = 64,013,799,603.23 - Step 5: Solve for x
x = 64,013,799,603.23/356,390.57 - Step 6: Final answer
x = 179,616.99
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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.