Finding the Fourth Proportional to 176,985.70, 265,478.55 and 83,673.70
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Solution
The fourth proportional to 176,985.70, 265,478.55 and 83,673.70 is: 125,510.55
Step by Step Solution
- Step 1: Write the proportion equation
176,985.70 : 265,478.55 = 83,673.70 : x - Step 2: Convert to fraction form
176,985.70/265,478.55 = 83,673.70/x - Step 3: Cross multiply
176,985.70x = 265,478.55 × 83,673.70 - Step 4: Simplify right side
176,985.70x = 22,213,572,549.14 - Step 5: Solve for x
x = 22,213,572,549.14/176,985.70 - Step 6: Final answer
x = 125,510.55
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1.5x scale
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.