Finding the Fourth Proportional to 169,922.17, 234,498.62 and 93,447.08
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Solution
The fourth proportional to 169,922.17, 234,498.62 and 93,447.08 is: 128,960.28
Step by Step Solution
- Step 1: Write the proportion equation
169,922.17 : 234,498.62 = 93,447.08 : x - Step 2: Convert to fraction form
169,922.17/234,498.62 = 93,447.08/x - Step 3: Cross multiply
169,922.17x = 234,498.62 × 93,447.08 - Step 4: Simplify right side
169,922.17x = 21,913,211,303.03 - Step 5: Solve for x
x = 21,913,211,303.03/169,922.17 - Step 6: Final answer
x = 128,960.28
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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.