Finding the Fourth Proportional to 447,230.28, 670,703.16 and 147,655.08
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Solution
The fourth proportional to 447,230.28, 670,703.16 and 147,655.08 is: 221,435.65
Step by Step Solution
- Step 1: Write the proportion equation
447,230.28 : 670,703.16 = 147,655.08 : x - Step 2: Convert to fraction form
447,230.28/670,703.16 = 147,655.08/x - Step 3: Cross multiply
447,230.28x = 670,703.16 × 147,655.08 - Step 4: Simplify right side
447,230.28x = 99,032,728,746.05 - Step 5: Solve for x
x = 99,032,728,746.05/447,230.28 - Step 6: Final answer
x = 221,435.65
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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.