Finding the Fourth Proportional to 124,430.08, 186,534.48 and 48,511.12
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Solution
The fourth proportional to 124,430.08, 186,534.48 and 48,511.12 is: 72,723.55
Step by Step Solution
- Step 1: Write the proportion equation
124,430.08 : 186,534.48 = 48,511.12 : x - Step 2: Convert to fraction form
124,430.08/186,534.48 = 48,511.12/x - Step 3: Cross multiply
124,430.08x = 186,534.48 × 48,511.12 - Step 4: Simplify right side
124,430.08x = 9,048,996,543.42 - Step 5: Solve for x
x = 9,048,996,543.42/124,430.08 - Step 6: Final answer
x = 72,723.55
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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.