Finding the Fourth Proportional to 581,920.25, 802,929.56 and 340,156.06
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Solution
The fourth proportional to 581,920.25, 802,929.56 and 340,156.06 is: 469,344.99
Step by Step Solution
- Step 1: Write the proportion equation
581,920.25 : 802,929.56 = 340,156.06 : x - Step 2: Convert to fraction form
581,920.25/802,929.56 = 340,156.06/x - Step 3: Cross multiply
581,920.25x = 802,929.56 × 340,156.06 - Step 4: Simplify right side
581,920.25x = 273,121,353,792.41 - Step 5: Solve for x
x = 273,121,353,792.41/581,920.25 - Step 6: Final answer
x = 469,344.99
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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.