Finding the Fourth Proportional to 286,931.80, 430,100.43 and 97,328.62
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Solution
The fourth proportional to 286,931.80, 430,100.43 and 97,328.62 is: 145,892.09
Step by Step Solution
- Step 1: Write the proportion equation
286,931.80 : 430,100.43 = 97,328.62 : x - Step 2: Convert to fraction form
286,931.80/430,100.43 = 97,328.62/x - Step 3: Cross multiply
286,931.80x = 430,100.43 × 97,328.62 - Step 4: Simplify right side
286,931.80x = 41,861,081,313.31 - Step 5: Solve for x
x = 41,861,081,313.31/286,931.80 - Step 6: Final answer
x = 145,892.09
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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.