Finding the Fourth Proportional to 357,218.00, 492,875.99 and 202,171.28
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Solution
The fourth proportional to 357,218.00, 492,875.99 and 202,171.28 is: 278,948.34
Step by Step Solution
- Step 1: Write the proportion equation
357,218.00 : 492,875.99 = 202,171.28 : x - Step 2: Convert to fraction form
357,218.00/492,875.99 = 202,171.28/x - Step 3: Cross multiply
357,218.00x = 492,875.99 × 202,171.28 - Step 4: Simplify right side
357,218.00x = 99,645,367,062.47 - Step 5: Solve for x
x = 99,645,367,062.47/357,218.00 - Step 6: Final answer
x = 278,948.34
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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.