Finding the Fourth Proportional to 421,486.99, 581,652.62 and 237,727.96
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Solution
The fourth proportional to 421,486.99, 581,652.62 and 237,727.96 is: 328,064.91
Step by Step Solution
- Step 1: Write the proportion equation
421,486.99 : 581,652.62 = 237,727.96 : x - Step 2: Convert to fraction form
421,486.99/581,652.62 = 237,727.96/x - Step 3: Cross multiply
421,486.99x = 581,652.62 × 237,727.96 - Step 4: Simplify right side
421,486.99x = 138,275,090,781.26 - Step 5: Solve for x
x = 138,275,090,781.26/421,486.99 - Step 6: Final answer
x = 328,064.91
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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.