Finding the Fourth Proportional to 438,483.18, 605,106.45 and 237,279.18
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Solution
The fourth proportional to 438,483.18, 605,106.45 and 237,279.18 is: 327,445.09
Step by Step Solution
- Step 1: Write the proportion equation
438,483.18 : 605,106.45 = 237,279.18 : x - Step 2: Convert to fraction form
438,483.18/605,106.45 = 237,279.18/x - Step 3: Cross multiply
438,483.18x = 605,106.45 × 237,279.18 - Step 4: Simplify right side
438,483.18x = 143,579,162,268.71 - Step 5: Solve for x
x = 143,579,162,268.71/438,483.18 - Step 6: Final answer
x = 327,445.09
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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.