Finding the Fourth Proportional to 260,226.68, 390,073.98 and 147,669.08
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Solution
The fourth proportional to 260,226.68, 390,073.98 and 147,669.08 is: 221,352.65
Step by Step Solution
- Step 1: Write the proportion equation
260,226.68 : 390,073.98 = 147,669.08 : x - Step 2: Convert to fraction form
260,226.68/390,073.98 = 147,669.08/x - Step 3: Cross multiply
260,226.68x = 390,073.98 × 147,669.08 - Step 4: Simplify right side
260,226.68x = 57,601,865,758.54 - Step 5: Solve for x
x = 57,601,865,758.54/260,226.68 - Step 6: Final answer
x = 221,352.65
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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.