Finding the Fourth Proportional to 431,101.21, 594,919.84 and 249,918.17
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Solution
The fourth proportional to 431,101.21, 594,919.84 and 249,918.17 is: 344,887.17
Step by Step Solution
- Step 1: Write the proportion equation
431,101.21 : 594,919.84 = 249,918.17 : x - Step 2: Convert to fraction form
431,101.21/594,919.84 = 249,918.17/x - Step 3: Cross multiply
431,101.21x = 594,919.84 × 249,918.17 - Step 4: Simplify right side
431,101.21x = 148,681,276,459.90 - Step 5: Solve for x
x = 148,681,276,459.90/431,101.21 - Step 6: Final answer
x = 344,887.17
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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.