Finding the Fourth Proportional to 156,261.98, 234,298.47 and 61,378.58
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Solution
The fourth proportional to 156,261.98, 234,298.47 and 61,378.58 is: 92,030.75
Step by Step Solution
- Step 1: Write the proportion equation
156,261.98 : 234,298.47 = 61,378.58 : x - Step 2: Convert to fraction form
156,261.98/234,298.47 = 61,378.58/x - Step 3: Cross multiply
156,261.98x = 234,298.47 × 61,378.58 - Step 4: Simplify right side
156,261.98x = 14,380,907,384.77 - Step 5: Solve for x
x = 14,380,907,384.77/156,261.98 - Step 6: Final answer
x = 92,030.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.