Finding the Fourth Proportional to 370,720.29, 511,590.18 and 207,374.68
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Solution
The fourth proportional to 370,720.29, 511,590.18 and 207,374.68 is: 286,174.92
Step by Step Solution
- Step 1: Write the proportion equation
370,720.29 : 511,590.18 = 207,374.68 : x - Step 2: Convert to fraction form
370,720.29/511,590.18 = 207,374.68/x - Step 3: Cross multiply
370,720.29x = 511,590.18 × 207,374.68 - Step 4: Simplify right side
370,720.29x = 106,090,850,119.30 - Step 5: Solve for x
x = 106,090,850,119.30/370,720.29 - Step 6: Final answer
x = 286,174.92
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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.