Finding the Fourth Proportional to 189,970.99, 284,823.64 and 83,303.71
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Solution
The fourth proportional to 189,970.99, 284,823.64 and 83,303.71 is: 124,897.31
Step by Step Solution
- Step 1: Write the proportion equation
189,970.99 : 284,823.64 = 83,303.71 : x - Step 2: Convert to fraction form
189,970.99/284,823.64 = 83,303.71/x - Step 3: Cross multiply
189,970.99x = 284,823.64 × 83,303.71 - Step 4: Simplify right side
189,970.99x = 23,726,865,907.70 - Step 5: Solve for x
x = 23,726,865,907.70/189,970.99 - Step 6: Final answer
x = 124,897.31
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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.