Finding the Fourth Proportional to 442,718.15, 610,874.75 and 249,098.99
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Solution
The fourth proportional to 442,718.15, 610,874.75 and 249,098.99 is: 343,713.67
Step by Step Solution
- Step 1: Write the proportion equation
442,718.15 : 610,874.75 = 249,098.99 : x - Step 2: Convert to fraction form
442,718.15/610,874.75 = 249,098.99/x - Step 3: Cross multiply
442,718.15x = 610,874.75 × 249,098.99 - Step 4: Simplify right side
442,718.15x = 152,168,281,402.94 - Step 5: Solve for x
x = 152,168,281,402.94/442,718.15 - Step 6: Final answer
x = 343,713.67
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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.