Finding the Fourth Proportional to 473,032.58, 709,472.12 and 135,996.44
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Solution
The fourth proportional to 473,032.58, 709,472.12 and 135,996.44 is: 203,972.59
Step by Step Solution
- Step 1: Write the proportion equation
473,032.58 : 709,472.12 = 135,996.44 : x - Step 2: Convert to fraction form
473,032.58/709,472.12 = 135,996.44/x - Step 3: Cross multiply
473,032.58x = 709,472.12 × 135,996.44 - Step 4: Simplify right side
473,032.58x = 96,485,678,371.91 - Step 5: Solve for x
x = 96,485,678,371.91/473,032.58 - Step 6: Final answer
x = 203,972.59
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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.