Finding the Fourth Proportional to 353,051.19, 529,572.17 and 86,814.01
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Solution
The fourth proportional to 353,051.19, 529,572.17 and 86,814.01 is: 130,219.88
Step by Step Solution
- Step 1: Write the proportion equation
353,051.19 : 529,572.17 = 86,814.01 : x - Step 2: Convert to fraction form
353,051.19/529,572.17 = 86,814.01/x - Step 3: Cross multiply
353,051.19x = 529,572.17 × 86,814.01 - Step 4: Simplify right side
353,051.19x = 45,974,283,662.10 - Step 5: Solve for x
x = 45,974,283,662.10/353,051.19 - Step 6: Final answer
x = 130,219.88
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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.