Finding the Fourth Proportional to 302,430.64, 417,350.99 and 166,461.68
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Solution
The fourth proportional to 302,430.64, 417,350.99 and 166,461.68 is: 229,715.30
Step by Step Solution
- Step 1: Write the proportion equation
302,430.64 : 417,350.99 = 166,461.68 : x - Step 2: Convert to fraction form
302,430.64/417,350.99 = 166,461.68/x - Step 3: Cross multiply
302,430.64x = 417,350.99 × 166,461.68 - Step 4: Simplify right side
302,430.64x = 69,472,945,274.46 - Step 5: Solve for x
x = 69,472,945,274.46/302,430.64 - Step 6: Final answer
x = 229,715.30
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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.