Finding the Fourth Proportional to 395,440.08, 545,707.44 and 216,592.08
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Solution
The fourth proportional to 395,440.08, 545,707.44 and 216,592.08 is: 298,897.14
Step by Step Solution
- Step 1: Write the proportion equation
395,440.08 : 545,707.44 = 216,592.08 : x - Step 2: Convert to fraction form
395,440.08/545,707.44 = 216,592.08/x - Step 3: Cross multiply
395,440.08x = 545,707.44 × 216,592.08 - Step 4: Simplify right side
395,440.08x = 118,195,909,501.08 - Step 5: Solve for x
x = 118,195,909,501.08/395,440.08 - Step 6: Final answer
x = 298,897.14
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1.5x scale
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.