Finding the Fourth Proportional to 214,881.66, 322,462.35 and 81,763.02
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Solution
The fourth proportional to 214,881.66, 322,462.35 and 81,763.02 is: 122,697.75
Step by Step Solution
- Step 1: Write the proportion equation
214,881.66 : 322,462.35 = 81,763.02 : x - Step 2: Convert to fraction form
214,881.66/322,462.35 = 81,763.02/x - Step 3: Cross multiply
214,881.66x = 322,462.35 × 81,763.02 - Step 4: Simplify right side
214,881.66x = 26,365,495,572.30 - Step 5: Solve for x
x = 26,365,495,572.30/214,881.66 - Step 6: Final answer
x = 122,697.75
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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.