Finding the Fourth Proportional to 581,920.84, 802,930.36 and 340,156.63
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Solution
The fourth proportional to 581,920.84, 802,930.36 and 340,156.63 is: 469,345.77
Step by Step Solution
- Step 1: Write the proportion equation
581,920.84 : 802,930.36 = 340,156.63 : x - Step 2: Convert to fraction form
581,920.84/802,930.36 = 340,156.63/x - Step 3: Cross multiply
581,920.84x = 802,930.36 × 340,156.63 - Step 4: Simplify right side
581,920.84x = 273,122,085,382.29 - Step 5: Solve for x
x = 273,122,085,382.29/581,920.84 - Step 6: Final answer
x = 469,345.77
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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.