Finding the Fourth Proportional to 408,526.96, 563,767.18 and 229,678.96
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Solution
The fourth proportional to 408,526.96, 563,767.18 and 229,678.96 is: 316,956.95
Step by Step Solution
- Step 1: Write the proportion equation
408,526.96 : 563,767.18 = 229,678.96 : x - Step 2: Convert to fraction form
408,526.96/563,767.18 = 229,678.96/x - Step 3: Cross multiply
408,526.96x = 563,767.18 × 229,678.96 - Step 4: Simplify right side
408,526.96x = 129,485,459,584.53 - Step 5: Solve for x
x = 129,485,459,584.53/408,526.96 - Step 6: Final answer
x = 316,956.95
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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.