Finding the Fourth Proportional to 454,616.18, 681,899.54 and 139,073.09
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Solution
The fourth proportional to 454,616.18, 681,899.54 and 139,073.09 is: 208,602.06
Step by Step Solution
- Step 1: Write the proportion equation
454,616.18 : 681,899.54 = 139,073.09 : x - Step 2: Convert to fraction form
454,616.18/681,899.54 = 139,073.09/x - Step 3: Cross multiply
454,616.18x = 681,899.54 × 139,073.09 - Step 4: Simplify right side
454,616.18x = 94,833,871,992.52 - Step 5: Solve for x
x = 94,833,871,992.52/454,616.18 - Step 6: Final answer
x = 208,602.06
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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.