Finding the Fourth Proportional to 457,364.41, 686,675.05 and 232,875.70
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Solution
The fourth proportional to 457,364.41, 686,675.05 and 232,875.70 is: 349,633.53
Step by Step Solution
- Step 1: Write the proportion equation
457,364.41 : 686,675.05 = 232,875.70 : x - Step 2: Convert to fraction form
457,364.41/686,675.05 = 232,875.70/x - Step 3: Cross multiply
457,364.41x = 686,675.05 × 232,875.70 - Step 4: Simplify right side
457,364.41x = 159,909,930,642.41 - Step 5: Solve for x
x = 159,909,930,642.41/457,364.41 - Step 6: Final answer
x = 349,633.53
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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.