Finding the Fourth Proportional to 346,809.18, 520,213.77 and 97,491.18
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Solution
The fourth proportional to 346,809.18, 520,213.77 and 97,491.18 is: 146,236.77
Step by Step Solution
- Step 1: Write the proportion equation
346,809.18 : 520,213.77 = 97,491.18 : x - Step 2: Convert to fraction form
346,809.18/520,213.77 = 97,491.18/x - Step 3: Cross multiply
346,809.18x = 520,213.77 × 97,491.18 - Step 4: Simplify right side
346,809.18x = 50,716,254,289.55 - Step 5: Solve for x
x = 50,716,254,289.55/346,809.18 - Step 6: Final answer
x = 146,236.77
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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.