Finding the Fourth Proportional to 509,119.63, 702,572.84 and 282,765.31
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Solution
The fourth proportional to 509,119.63, 702,572.84 and 282,765.31 is: 390,209.32
Step by Step Solution
- Step 1: Write the proportion equation
509,119.63 : 702,572.84 = 282,765.31 : x - Step 2: Convert to fraction form
509,119.63/702,572.84 = 282,765.31/x - Step 3: Cross multiply
509,119.63x = 702,572.84 × 282,765.31 - Step 4: Simplify right side
509,119.63x = 198,663,225,486.35 - Step 5: Solve for x
x = 198,663,225,486.35/509,119.63 - Step 6: Final answer
x = 390,209.32
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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.