Finding the Fourth Proportional to 156,497.00, 215,966.13 and 84,877.08
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Solution
The fourth proportional to 156,497.00, 215,966.13 and 84,877.08 is: 117,130.51
Step by Step Solution
- Step 1: Write the proportion equation
156,497.00 : 215,966.13 = 84,877.08 : x - Step 2: Convert to fraction form
156,497.00/215,966.13 = 84,877.08/x - Step 3: Cross multiply
156,497.00x = 215,966.13 × 84,877.08 - Step 4: Simplify right side
156,497.00x = 18,330,574,493.30 - Step 5: Solve for x
x = 18,330,574,493.30/156,497.00 - Step 6: Final answer
x = 117,130.51
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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.