Finding the Fourth Proportional to 324,140.86, 447,345.47 and 180,914.23
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Solution
The fourth proportional to 324,140.86, 447,345.47 and 180,914.23 is: 249,678.99
Step by Step Solution
- Step 1: Write the proportion equation
324,140.86 : 447,345.47 = 180,914.23 : x - Step 2: Convert to fraction form
324,140.86/447,345.47 = 180,914.23/x - Step 3: Cross multiply
324,140.86x = 447,345.47 × 180,914.23 - Step 4: Simplify right side
324,140.86x = 80,931,160,582.96 - Step 5: Solve for x
x = 80,931,160,582.96/324,140.86 - Step 6: Final answer
x = 249,678.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.