Finding the Fourth Proportional to 454,601.24, 681,877.30 and 139,058.14
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Solution
The fourth proportional to 454,601.24, 681,877.30 and 139,058.14 is: 208,579.70
Step by Step Solution
- Step 1: Write the proportion equation
454,601.24 : 681,877.30 = 139,058.14 : x - Step 2: Convert to fraction form
454,601.24/681,877.30 = 139,058.14/x - Step 3: Cross multiply
454,601.24x = 681,877.30 × 139,058.14 - Step 4: Simplify right side
454,601.24x = 94,820,589,046.22 - Step 5: Solve for x
x = 94,820,589,046.22/454,601.24 - Step 6: Final answer
x = 208,579.70
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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.