Finding the Fourth Proportional to 292,635.57, 438,988.52 and 103,056.75
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Solution
The fourth proportional to 292,635.57, 438,988.52 and 103,056.75 is: 154,597.51
Step by Step Solution
- Step 1: Write the proportion equation
292,635.57 : 438,988.52 = 103,056.75 : x - Step 2: Convert to fraction form
292,635.57/438,988.52 = 103,056.75/x - Step 3: Cross multiply
292,635.57x = 438,988.52 × 103,056.75 - Step 4: Simplify right side
292,635.57x = 45,240,730,158.51 - Step 5: Solve for x
x = 45,240,730,158.51/292,635.57 - Step 6: Final answer
x = 154,597.51
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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.