Finding the Fourth Proportional to 343,320.99, 473,831.99 and 190,393.19
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Solution
The fourth proportional to 343,320.99, 473,831.99 and 190,393.19 is: 262,769.79
Step by Step Solution
- Step 1: Write the proportion equation
343,320.99 : 473,831.99 = 190,393.19 : x - Step 2: Convert to fraction form
343,320.99/473,831.99 = 190,393.19/x - Step 3: Cross multiply
343,320.99x = 473,831.99 × 190,393.19 - Step 4: Simplify right side
343,320.99x = 90,214,385,760.71 - Step 5: Solve for x
x = 90,214,385,760.71/343,320.99 - Step 6: Final answer
x = 262,769.79
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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.