Finding the Fourth Proportional to 357,262.99, 492,921.93 and 230,012.26
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Solution
The fourth proportional to 357,262.99, 492,921.93 and 230,012.26 is: 317,351.90
Step by Step Solution
- Step 1: Write the proportion equation
357,262.99 : 492,921.93 = 230,012.26 : x - Step 2: Convert to fraction form
357,262.99/492,921.93 = 230,012.26/x - Step 3: Cross multiply
357,262.99x = 492,921.93 × 230,012.26 - Step 4: Simplify right side
357,262.99x = 113,378,087,122.86 - Step 5: Solve for x
x = 113,378,087,122.86/357,262.99 - Step 6: Final answer
x = 317,351.90
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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.