Finding the Fourth Proportional to 473,110.80, 709,666.20 and 305,149.20
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Solution
The fourth proportional to 473,110.80, 709,666.20 and 305,149.20 is: 457,723.80
Step by Step Solution
- Step 1: Write the proportion equation
473,110.80 : 709,666.20 = 305,149.20 : x - Step 2: Convert to fraction form
473,110.80/709,666.20 = 305,149.20/x - Step 3: Cross multiply
473,110.80x = 709,666.20 × 305,149.20 - Step 4: Simplify right side
473,110.80x = 216,554,073,197.04 - Step 5: Solve for x
x = 216,554,073,197.04/473,110.80 - Step 6: Final answer
x = 457,723.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.