Finding the Fourth Proportional to 175,730.88, 242,567.76 and 106,820.10
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Solution
The fourth proportional to 175,730.88, 242,567.76 and 106,820.10 is: 147,447.69
Step by Step Solution
- Step 1: Write the proportion equation
175,730.88 : 242,567.76 = 106,820.10 : x - Step 2: Convert to fraction form
175,730.88/242,567.76 = 106,820.10/x - Step 3: Cross multiply
175,730.88x = 242,567.76 × 106,820.10 - Step 4: Simplify right side
175,730.88x = 25,911,112,379.98 - Step 5: Solve for x
x = 25,911,112,379.98/175,730.88 - Step 6: Final answer
x = 147,447.69
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1.5x scale
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.