Finding the Fourth Proportional to 307,751.57, 424,768.01 and 180,468.17
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Solution
The fourth proportional to 307,751.57, 424,768.01 and 180,468.17 is: 249,087.62
Step by Step Solution
- Step 1: Write the proportion equation
307,751.57 : 424,768.01 = 180,468.17 : x - Step 2: Convert to fraction form
307,751.57/424,768.01 = 180,468.17/x - Step 3: Cross multiply
307,751.57x = 424,768.01 × 180,468.17 - Step 4: Simplify right side
307,751.57x = 76,657,105,439.24 - Step 5: Solve for x
x = 76,657,105,439.24/307,751.57 - Step 6: Final answer
x = 249,087.62
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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.