Finding the Fourth Proportional to 307,990.68, 462,002.64 and 97,645.08
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Solution
The fourth proportional to 307,990.68, 462,002.64 and 97,645.08 is: 146,472.89
Step by Step Solution
- Step 1: Write the proportion equation
307,990.68 : 462,002.64 = 97,645.08 : x - Step 2: Convert to fraction form
307,990.68/462,002.64 = 97,645.08/x - Step 3: Cross multiply
307,990.68x = 462,002.64 × 97,645.08 - Step 4: Simplify right side
307,990.68x = 45,112,284,743.01 - Step 5: Solve for x
x = 45,112,284,743.01/307,990.68 - Step 6: Final answer
x = 146,472.89
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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.