Finding the Fourth Proportional to 292,943.84, 439,547.04 and 135,087.68
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Solution
The fourth proportional to 292,943.84, 439,547.04 and 135,087.68 is: 202,692.06
Step by Step Solution
- Step 1: Write the proportion equation
292,943.84 : 439,547.04 = 135,087.68 : x - Step 2: Convert to fraction form
292,943.84/439,547.04 = 135,087.68/x - Step 3: Cross multiply
292,943.84x = 439,547.04 × 135,087.68 - Step 4: Simplify right side
292,943.84x = 59,377,389,884.47 - Step 5: Solve for x
x = 59,377,389,884.47/292,943.84 - Step 6: Final answer
x = 202,692.06
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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.