Finding the Fourth Proportional to 352,312.95, 486,317.96 and 209,072.99
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Solution
The fourth proportional to 352,312.95, 486,317.96 and 209,072.99 is: 288,595.55
Step by Step Solution
- Step 1: Write the proportion equation
352,312.95 : 486,317.96 = 209,072.99 : x - Step 2: Convert to fraction form
352,312.95/486,317.96 = 209,072.99/x - Step 3: Cross multiply
352,312.95x = 486,317.96 × 209,072.99 - Step 4: Simplify right side
352,312.95x = 101,675,950,942.35 - Step 5: Solve for x
x = 101,675,950,942.35/352,312.95 - Step 6: Final answer
x = 288,595.55
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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.