Finding the Fourth Proportional to 497,881.16, 686,957.91 and 283,004.31
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Solution
The fourth proportional to 497,881.16, 686,957.91 and 283,004.31 is: 390,478.82
Step by Step Solution
- Step 1: Write the proportion equation
497,881.16 : 686,957.91 = 283,004.31 : x - Step 2: Convert to fraction form
497,881.16/686,957.91 = 283,004.31/x - Step 3: Cross multiply
497,881.16x = 686,957.91 × 283,004.31 - Step 4: Simplify right side
497,881.16x = 194,412,050,833.42 - Step 5: Solve for x
x = 194,412,050,833.42/497,881.16 - Step 6: Final answer
x = 390,478.82
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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.