Finding the Fourth Proportional to 156,901.14, 235,277.79 and 56,990.88
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Solution
The fourth proportional to 156,901.14, 235,277.79 and 56,990.88 is: 85,459.47
Step by Step Solution
- Step 1: Write the proportion equation
156,901.14 : 235,277.79 = 56,990.88 : x - Step 2: Convert to fraction form
156,901.14/235,277.79 = 56,990.88/x - Step 3: Cross multiply
156,901.14x = 235,277.79 × 56,990.88 - Step 4: Simplify right side
156,901.14x = 13,408,688,296.56 - Step 5: Solve for x
x = 13,408,688,296.56/156,901.14 - Step 6: Final answer
x = 85,459.47
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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.