Finding the Fourth Proportional to 324,130.99, 447,345.85 and 180,900.26
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Solution
The fourth proportional to 324,130.99, 447,345.85 and 180,900.26 is: 249,667.51
Step by Step Solution
- Step 1: Write the proportion equation
324,130.99 : 447,345.85 = 180,900.26 : x - Step 2: Convert to fraction form
324,130.99/447,345.85 = 180,900.26/x - Step 3: Cross multiply
324,130.99x = 447,345.85 × 180,900.26 - Step 4: Simplify right side
324,130.99x = 80,924,977,433.69 - Step 5: Solve for x
x = 80,924,977,433.69/324,130.99 - Step 6: Final answer
x = 249,667.51
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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.