Finding the Fourth Proportional to 581,495.21, 802,345.76 and 339,731.08
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Solution
The fourth proportional to 581,495.21, 802,345.76 and 339,731.08 is: 468,760.17
Step by Step Solution
- Step 1: Write the proportion equation
581,495.21 : 802,345.76 = 339,731.08 : x - Step 2: Convert to fraction form
581,495.21/802,345.76 = 339,731.08/x - Step 3: Cross multiply
581,495.21x = 802,345.76 × 339,731.08 - Step 4: Simplify right side
581,495.21x = 272,581,791,578.22 - Step 5: Solve for x
x = 272,581,791,578.22/581,495.21 - Step 6: Final answer
x = 468,760.17
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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.