Finding the Fourth Proportional to 626,218.13, 939,365.12 and 176,972.63
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Solution
The fourth proportional to 626,218.13, 939,365.12 and 176,972.63 is: 265,469.65
Step by Step Solution
- Step 1: Write the proportion equation
626,218.13 : 939,365.12 = 176,972.63 : x - Step 2: Convert to fraction form
626,218.13/939,365.12 = 176,972.63/x - Step 3: Cross multiply
626,218.13x = 939,365.12 × 176,972.63 - Step 4: Simplify right side
626,218.13x = 166,241,911,562.27 - Step 5: Solve for x
x = 166,241,911,562.27/626,218.13 - Step 6: Final answer
x = 265,469.65
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1.5x scale
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.