Finding the Fourth Proportional to 684,059.84, 1,026,089.76 and 185,423.84
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Solution
The fourth proportional to 684,059.84, 1,026,089.76 and 185,423.84 is: 278,135.76
Step by Step Solution
- Step 1: Write the proportion equation
684,059.84 : 1,026,089.76 = 185,423.84 : x - Step 2: Convert to fraction form
684,059.84/1,026,089.76 = 185,423.84/x - Step 3: Cross multiply
684,059.84x = 1,026,089.76 × 185,423.84 - Step 4: Simplify right side
684,059.84x = 190,261,503,483.88 - Step 5: Solve for x
x = 190,261,503,483.88/684,059.84 - Step 6: Final answer
x = 278,135.76
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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.