Finding the Fourth Proportional to 156,762.60, 216,356.84 and 88,783.08
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Solution
The fourth proportional to 156,762.60, 216,356.84 and 88,783.08 is: 122,534.50
Step by Step Solution
- Step 1: Write the proportion equation
156,762.60 : 216,356.84 = 88,783.08 : x - Step 2: Convert to fraction form
156,762.60/216,356.84 = 88,783.08/x - Step 3: Cross multiply
156,762.60x = 216,356.84 × 88,783.08 - Step 4: Simplify right side
156,762.60x = 19,208,826,634.27 - Step 5: Solve for x
x = 19,208,826,634.27/156,762.60 - Step 6: Final answer
x = 122,534.50
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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.