Finding the Fourth Proportional to 155,552.03, 214,603.14 and 91,000.70
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Solution
The fourth proportional to 155,552.03, 214,603.14 and 91,000.70 is: 125,546.65
Step by Step Solution
- Step 1: Write the proportion equation
155,552.03 : 214,603.14 = 91,000.70 : x - Step 2: Convert to fraction form
155,552.03/214,603.14 = 91,000.70/x - Step 3: Cross multiply
155,552.03x = 214,603.14 × 91,000.70 - Step 4: Simplify right side
155,552.03x = 19,529,035,962.20 - Step 5: Solve for x
x = 19,529,035,962.20/155,552.03 - Step 6: Final answer
x = 125,546.65
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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.