Finding the Fourth Proportional to 286,350.03, 429,531.20 and 86,670.09
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Solution
The fourth proportional to 286,350.03, 429,531.20 and 86,670.09 is: 130,007.00
Step by Step Solution
- Step 1: Write the proportion equation
286,350.03 : 429,531.20 = 86,670.09 : x - Step 2: Convert to fraction form
286,350.03/429,531.20 = 86,670.09/x - Step 3: Cross multiply
286,350.03x = 429,531.20 × 86,670.09 - Step 4: Simplify right side
286,350.03x = 37,227,507,328.46 - Step 5: Solve for x
x = 37,227,507,328.46/286,350.03 - Step 6: Final answer
x = 130,007.00
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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.