Finding the Fourth Proportional to 438,636.80, 658,246.80 and 249,096.80
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Solution
The fourth proportional to 438,636.80, 658,246.80 and 249,096.80 is: 373,810.80
Step by Step Solution
- Step 1: Write the proportion equation
438,636.80 : 658,246.80 = 249,096.80 : x - Step 2: Convert to fraction form
438,636.80/658,246.80 = 249,096.80/x - Step 3: Cross multiply
438,636.80x = 658,246.80 × 249,096.80 - Step 4: Simplify right side
438,636.80x = 163,967,171,490.24 - Step 5: Solve for x
x = 163,967,171,490.24/438,636.80 - Step 6: Final answer
x = 373,810.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.