Finding the Fourth Proportional to 885,511.71, 1,328,135.13 and 245,748
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Solution
The fourth proportional to 885,511.71, 1,328,135.13 and 245,748 is: 368,585.25
Step by Step Solution
- Step 1: Write the proportion equation
885,511.71 : 1,328,135.13 = 245,748 : x - Step 2: Convert to fraction form
885,511.71/1,328,135.13 = 245,748/x - Step 3: Cross multiply
885,511.71x = 1,328,135.13 × 245,748 - Step 4: Simplify right side
885,511.71x = 326,386,551,927.24 - Step 5: Solve for x
x = 326,386,551,927.24/885,511.71 - Step 6: Final answer
x = 368,585.25
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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.