Finding the Fourth Proportional to 307,743.49, 424,756.88 and 180,460.09
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Solution
The fourth proportional to 307,743.49, 424,756.88 and 180,460.09 is: 249,076.48
Step by Step Solution
- Step 1: Write the proportion equation
307,743.49 : 424,756.88 = 180,460.09 : x - Step 2: Convert to fraction form
307,743.49/424,756.88 = 180,460.09/x - Step 3: Cross multiply
307,743.49x = 424,756.88 × 180,460.09 - Step 4: Simplify right side
307,743.49x = 76,651,663,890.62 - Step 5: Solve for x
x = 76,651,663,890.62/307,743.49 - Step 6: Final answer
x = 249,076.48
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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.