Finding the Fourth Proportional to 314,654.08, 433,798.08 and 304,869.76
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Solution
The fourth proportional to 314,654.08, 433,798.08 and 304,869.76 is: 420,308.92
Step by Step Solution
- Step 1: Write the proportion equation
314,654.08 : 433,798.08 = 304,869.76 : x - Step 2: Convert to fraction form
314,654.08/433,798.08 = 304,869.76/x - Step 3: Cross multiply
314,654.08x = 433,798.08 × 304,869.76 - Step 4: Simplify right side
314,654.08x = 132,251,916,538.06 - Step 5: Solve for x
x = 132,251,916,538.06/314,654.08 - Step 6: Final answer
x = 420,308.92
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1.5x scale
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.