Finding the Fourth Proportional to 509,207.24, 702,686.34 and 282,867.08
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Solution
The fourth proportional to 509,207.24, 702,686.34 and 282,867.08 is: 390,345.65
Step by Step Solution
- Step 1: Write the proportion equation
509,207.24 : 702,686.34 = 282,867.08 : x - Step 2: Convert to fraction form
509,207.24/702,686.34 = 282,867.08/x - Step 3: Cross multiply
509,207.24x = 702,686.34 × 282,867.08 - Step 4: Simplify right side
509,207.24x = 198,766,833,151.69 - Step 5: Solve for x
x = 198,766,833,151.69/509,207.24 - Step 6: Final answer
x = 390,345.65
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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.