Finding the Fourth Proportional to 453,992.99, 626,501.18 and 284,320.67
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Solution
The fourth proportional to 453,992.99, 626,501.18 and 284,320.67 is: 392,356.80
Step by Step Solution
- Step 1: Write the proportion equation
453,992.99 : 626,501.18 = 284,320.67 : x - Step 2: Convert to fraction form
453,992.99/626,501.18 = 284,320.67/x - Step 3: Cross multiply
453,992.99x = 626,501.18 × 284,320.67 - Step 4: Simplify right side
453,992.99x = 178,127,232,831.69 - Step 5: Solve for x
x = 178,127,232,831.69/453,992.99 - Step 6: Final answer
x = 392,356.80
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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.