Finding the Fourth Proportional to 447,395.16, 671,113.80 and 131,854.80
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Solution
The fourth proportional to 447,395.16, 671,113.80 and 131,854.80 is: 197,788.41
Step by Step Solution
- Step 1: Write the proportion equation
447,395.16 : 671,113.80 = 131,854.80 : x - Step 2: Convert to fraction form
447,395.16/671,113.80 = 131,854.80/x - Step 3: Cross multiply
447,395.16x = 671,113.80 × 131,854.80 - Step 4: Simplify right side
447,395.16x = 88,489,575,876.24 - Step 5: Solve for x
x = 88,489,575,876.24/447,395.16 - Step 6: Final answer
x = 197,788.41
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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.