Finding the Fourth Proportional to 303,534.36, 455,389.02 and 93,203.28
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Solution
The fourth proportional to 303,534.36, 455,389.02 and 93,203.28 is: 139,831.78
Step by Step Solution
- Step 1: Write the proportion equation
303,534.36 : 455,389.02 = 93,203.28 : x - Step 2: Convert to fraction form
303,534.36/455,389.02 = 93,203.28/x - Step 3: Cross multiply
303,534.36x = 455,389.02 × 93,203.28 - Step 4: Simplify right side
303,534.36x = 42,443,750,339.99 - Step 5: Solve for x
x = 42,443,750,339.99/303,534.36 - Step 6: Final answer
x = 139,831.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.