Finding the Fourth Proportional to 156,917.28, 216,496.08 and 97,335.84
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Solution
The fourth proportional to 156,917.28, 216,496.08 and 97,335.84 is: 134,292.59
Step by Step Solution
- Step 1: Write the proportion equation
156,917.28 : 216,496.08 = 97,335.84 : x - Step 2: Convert to fraction form
156,917.28/216,496.08 = 97,335.84/x - Step 3: Cross multiply
156,917.28x = 216,496.08 × 97,335.84 - Step 4: Simplify right side
156,917.28x = 21,072,827,803.51 - Step 5: Solve for x
x = 21,072,827,803.51/156,917.28 - Step 6: Final answer
x = 134,292.59
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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.