Finding the Fourth Proportional to 156,978.68, 235,462.80 and 68,232.29
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Solution
The fourth proportional to 156,978.68, 235,462.80 and 68,232.29 is: 102,346.17
Step by Step Solution
- Step 1: Write the proportion equation
156,978.68 : 235,462.80 = 68,232.29 : x - Step 2: Convert to fraction form
156,978.68/235,462.80 = 68,232.29/x - Step 3: Cross multiply
156,978.68x = 235,462.80 × 68,232.29 - Step 4: Simplify right side
156,978.68x = 16,066,166,053.81 - Step 5: Solve for x
x = 16,066,166,053.81/156,978.68 - Step 6: Final answer
x = 102,346.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.