Finding the Fourth Proportional to 176,239.76, 243,305.64 and 135,865.04
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Solution
The fourth proportional to 176,239.76, 243,305.64 and 135,865.04 is: 187,566.82
Step by Step Solution
- Step 1: Write the proportion equation
176,239.76 : 243,305.64 = 135,865.04 : x - Step 2: Convert to fraction form
176,239.76/243,305.64 = 135,865.04/x - Step 3: Cross multiply
176,239.76x = 243,305.64 × 135,865.04 - Step 4: Simplify right side
176,239.76x = 33,056,730,510.83 - Step 5: Solve for x
x = 33,056,730,510.83/176,239.76 - Step 6: Final answer
x = 187,566.82
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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.