Finding the Fourth Proportional to 175,420.21, 242,024.63 and 107,366.23
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Solution
The fourth proportional to 175,420.21, 242,024.63 and 107,366.23 is: 148,131.58
Step by Step Solution
- Step 1: Write the proportion equation
175,420.21 : 242,024.63 = 107,366.23 : x - Step 2: Convert to fraction form
175,420.21/242,024.63 = 107,366.23/x - Step 3: Cross multiply
175,420.21x = 242,024.63 × 107,366.23 - Step 4: Simplify right side
175,420.21x = 25,985,272,536.64 - Step 5: Solve for x
x = 25,985,272,536.64/175,420.21 - Step 6: Final answer
x = 148,131.58
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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.