Finding the Fourth Proportional to 636,814.68, 955,320.40 and 237,512.20
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Solution
The fourth proportional to 636,814.68, 955,320.40 and 237,512.20 is: 356,304.99
Step by Step Solution
- Step 1: Write the proportion equation
636,814.68 : 955,320.40 = 237,512.20 : x - Step 2: Convert to fraction form
636,814.68/955,320.40 = 237,512.20/x - Step 3: Cross multiply
636,814.68x = 955,320.40 × 237,512.20 - Step 4: Simplify right side
636,814.68x = 226,900,249,908.88 - Step 5: Solve for x
x = 226,900,249,908.88/636,814.68 - Step 6: Final answer
x = 356,304.99
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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.