Finding the Fourth Proportional to 156,549.47, 216,038.36 and 84,929.49
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Solution
The fourth proportional to 156,549.47, 216,038.36 and 84,929.49 is: 117,202.75
Step by Step Solution
- Step 1: Write the proportion equation
156,549.47 : 216,038.36 = 84,929.49 : x - Step 2: Convert to fraction form
156,549.47/216,038.36 = 84,929.49/x - Step 3: Cross multiply
156,549.47x = 216,038.36 × 84,929.49 - Step 4: Simplify right side
156,549.47x = 18,348,027,735.24 - Step 5: Solve for x
x = 18,348,027,735.24/156,549.47 - Step 6: Final answer
x = 117,202.75
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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.