Finding the Fourth Proportional to 97,156.86, 145,740.50 and 30,602.18
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Solution
The fourth proportional to 97,156.86, 145,740.50 and 30,602.18 is: 45,904.91
Step by Step Solution
- Step 1: Write the proportion equation
97,156.86 : 145,740.50 = 30,602.18 : x - Step 2: Convert to fraction form
97,156.86/145,740.50 = 30,602.18/x - Step 3: Cross multiply
97,156.86x = 145,740.50 × 30,602.18 - Step 4: Simplify right side
97,156.86x = 4,459,977,014.29 - Step 5: Solve for x
x = 4,459,977,014.29/97,156.86 - Step 6: Final answer
x = 45,904.91
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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.