Finding the Fourth Proportional to 307,566.05, 461,349.08 and 85,950.05
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Solution
The fourth proportional to 307,566.05, 461,349.08 and 85,950.05 is: 128,925.08
Step by Step Solution
- Step 1: Write the proportion equation
307,566.05 : 461,349.08 = 85,950.05 : x - Step 2: Convert to fraction form
307,566.05/461,349.08 = 85,950.05/x - Step 3: Cross multiply
307,566.05x = 461,349.08 × 85,950.05 - Step 4: Simplify right side
307,566.05x = 39,652,976,063.70 - Step 5: Solve for x
x = 39,652,976,063.70/307,566.05 - Step 6: Final answer
x = 128,925.08
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1.5x scale
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.