Finding the Fourth Proportional to 393,177.00, 589,989.50 and 153,259.68
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Solution
The fourth proportional to 393,177.00, 589,989.50 and 153,259.68 is: 229,976.84
Step by Step Solution
- Step 1: Write the proportion equation
393,177.00 : 589,989.50 = 153,259.68 : x - Step 2: Convert to fraction form
393,177.00/589,989.50 = 153,259.68/x - Step 3: Cross multiply
393,177.00x = 589,989.50 × 153,259.68 - Step 4: Simplify right side
393,177.00x = 90,421,602,733.53 - Step 5: Solve for x
x = 90,421,602,733.53/393,177.00 - Step 6: Final answer
x = 229,976.84
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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.