Finding the Fourth Proportional to 151,671.94, 209,307.27 and 84,603.94
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Solution
The fourth proportional to 151,671.94, 209,307.27 and 84,603.94 is: 116,753.43
Step by Step Solution
- Step 1: Write the proportion equation
151,671.94 : 209,307.27 = 84,603.94 : x - Step 2: Convert to fraction form
151,671.94/209,307.27 = 84,603.94/x - Step 3: Cross multiply
151,671.94x = 209,307.27 × 84,603.94 - Step 4: Simplify right side
151,671.94x = 17,708,219,506.64 - Step 5: Solve for x
x = 17,708,219,506.64/151,671.94 - Step 6: Final answer
x = 116,753.43
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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.