Finding the Fourth Proportional to 192,430.69, 265,562.55 and 107,547.75
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Solution
The fourth proportional to 192,430.69, 265,562.55 and 107,547.75 is: 148,420.48
Step by Step Solution
- Step 1: Write the proportion equation
192,430.69 : 265,562.55 = 107,547.75 : x - Step 2: Convert to fraction form
192,430.69/265,562.55 = 107,547.75/x - Step 3: Cross multiply
192,430.69x = 265,562.55 × 107,547.75 - Step 4: Simplify right side
192,430.69x = 28,560,654,736.76 - Step 5: Solve for x
x = 28,560,654,736.76/192,430.69 - Step 6: Final answer
x = 148,420.48
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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.