Finding the Fourth Proportional to 343,239.84, 515,039.22 and 249,246.36
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Solution
The fourth proportional to 343,239.84, 515,039.22 and 249,246.36 is: 373,999.86
Step by Step Solution
- Step 1: Write the proportion equation
343,239.84 : 515,039.22 = 249,246.36 : x - Step 2: Convert to fraction form
343,239.84/515,039.22 = 249,246.36/x - Step 3: Cross multiply
343,239.84x = 515,039.22 × 249,246.36 - Step 4: Simplify right side
343,239.84x = 128,371,650,842.24 - Step 5: Solve for x
x = 128,371,650,842.24/343,239.84 - Step 6: Final answer
x = 373,999.86
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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.