Finding the Fourth Proportional to 438,394.05, 604,937.61 and 254,596.76
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Solution
The fourth proportional to 438,394.05, 604,937.61 and 254,596.76 is: 351,316.70
Step by Step Solution
- Step 1: Write the proportion equation
438,394.05 : 604,937.61 = 254,596.76 : x - Step 2: Convert to fraction form
438,394.05/604,937.61 = 254,596.76/x - Step 3: Cross multiply
438,394.05x = 604,937.61 × 254,596.76 - Step 4: Simplify right side
438,394.05x = 154,015,152,483.46 - Step 5: Solve for x
x = 154,015,152,483.46/438,394.05 - Step 6: Final answer
x = 351,316.70
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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.