Finding the Fourth Proportional to 236,675.70, 355,013.55 and 143,363.70
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Solution
The fourth proportional to 236,675.70, 355,013.55 and 143,363.70 is: 215,045.55
Step by Step Solution
- Step 1: Write the proportion equation
236,675.70 : 355,013.55 = 143,363.70 : x - Step 2: Convert to fraction form
236,675.70/355,013.55 = 143,363.70/x - Step 3: Cross multiply
236,675.70x = 355,013.55 × 143,363.70 - Step 4: Simplify right side
236,675.70x = 50,896,056,078.14 - Step 5: Solve for x
x = 50,896,056,078.14/236,675.70 - Step 6: Final answer
x = 215,045.55
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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.