Finding the Fourth Proportional to 372,547.62, 514,101.46 and 211,393.06
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Solution
The fourth proportional to 372,547.62, 514,101.46 and 211,393.06 is: 291,714.33
Step by Step Solution
- Step 1: Write the proportion equation
372,547.62 : 514,101.46 = 211,393.06 : x - Step 2: Convert to fraction form
372,547.62/514,101.46 = 211,393.06/x - Step 3: Cross multiply
372,547.62x = 514,101.46 × 211,393.06 - Step 4: Simplify right side
372,547.62x = 108,677,480,779.87 - Step 5: Solve for x
x = 108,677,480,779.87/372,547.62 - Step 6: Final answer
x = 291,714.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.