Finding the Fourth Proportional to 346,957.44, 478,654.62 and 232,273.02
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Solution
The fourth proportional to 346,957.44, 478,654.62 and 232,273.02 is: 320,438.59
Step by Step Solution
- Step 1: Write the proportion equation
346,957.44 : 478,654.62 = 232,273.02 : x - Step 2: Convert to fraction form
346,957.44/478,654.62 = 232,273.02/x - Step 3: Cross multiply
346,957.44x = 478,654.62 × 232,273.02 - Step 4: Simplify right side
346,957.44x = 111,178,554,124.35 - Step 5: Solve for x
x = 111,178,554,124.35/346,957.44 - Step 6: Final answer
x = 320,438.59
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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.