Finding the Fourth Proportional to 473,197.75, 709,446.70 and 286,167.67
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Solution
The fourth proportional to 473,197.75, 709,446.70 and 286,167.67 is: 429,039.89
Step by Step Solution
- Step 1: Write the proportion equation
473,197.75 : 709,446.70 = 286,167.67 : x - Step 2: Convert to fraction form
473,197.75/709,446.70 = 286,167.67/x - Step 3: Cross multiply
473,197.75x = 709,446.70 × 286,167.67 - Step 4: Simplify right side
473,197.75x = 203,020,709,128.19 - Step 5: Solve for x
x = 203,020,709,128.19/473,197.75 - Step 6: Final answer
x = 429,039.89
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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.