Finding the Fourth Proportional to 260,041.95, 390,064.41 and 80,125.02
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Solution
The fourth proportional to 260,041.95, 390,064.41 and 80,125.02 is: 120,187.99
Step by Step Solution
- Step 1: Write the proportion equation
260,041.95 : 390,064.41 = 80,125.02 : x - Step 2: Convert to fraction form
260,041.95/390,064.41 = 80,125.02/x - Step 3: Cross multiply
260,041.95x = 390,064.41 × 80,125.02 - Step 4: Simplify right side
260,041.95x = 31,253,918,652.54 - Step 5: Solve for x
x = 31,253,918,652.54/260,041.95 - Step 6: Final answer
x = 120,187.99
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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.