Finding the Fourth Proportional to 186,416.68, 257,254.98 and 101,533.74
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Solution
The fourth proportional to 186,416.68, 257,254.98 and 101,533.74 is: 140,116.54
Step by Step Solution
- Step 1: Write the proportion equation
186,416.68 : 257,254.98 = 101,533.74 : x - Step 2: Convert to fraction form
186,416.68/257,254.98 = 101,533.74/x - Step 3: Cross multiply
186,416.68x = 257,254.98 × 101,533.74 - Step 4: Simplify right side
186,416.68x = 26,120,060,253.03 - Step 5: Solve for x
x = 26,120,060,253.03/186,416.68 - Step 6: Final answer
x = 140,116.54
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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.