Finding the Fourth Proportional to 636,991.64, 955,487.47 and 232,214.21
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Solution
The fourth proportional to 636,991.64, 955,487.47 and 232,214.21 is: 348,321.31
Step by Step Solution
- Step 1: Write the proportion equation
636,991.64 : 955,487.47 = 232,214.21 : x - Step 2: Convert to fraction form
636,991.64/955,487.47 = 232,214.21/x - Step 3: Cross multiply
636,991.64x = 955,487.47 × 232,214.21 - Step 4: Simplify right side
636,991.64x = 221,877,766,018.35 - Step 5: Solve for x
x = 221,877,766,018.35/636,991.64 - Step 6: Final answer
x = 348,321.31
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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.