Finding the Fourth Proportional to 475,497.96, 713,239.74 and 115,672.20
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Solution
The fourth proportional to 475,497.96, 713,239.74 and 115,672.20 is: 173,506.55
Step by Step Solution
- Step 1: Write the proportion equation
475,497.96 : 713,239.74 = 115,672.20 : x - Step 2: Convert to fraction form
475,497.96/713,239.74 = 115,672.20/x - Step 3: Cross multiply
475,497.96x = 713,239.74 × 115,672.20 - Step 4: Simplify right side
475,497.96x = 82,502,009,853.23 - Step 5: Solve for x
x = 82,502,009,853.23/475,497.96 - Step 6: Final answer
x = 173,506.55
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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.