Finding the Fourth Proportional to 353,357.36, 487,646.16 and 202,483.52
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Solution
The fourth proportional to 353,357.36, 487,646.16 and 202,483.52 is: 279,434.71
Step by Step Solution
- Step 1: Write the proportion equation
353,357.36 : 487,646.16 = 202,483.52 : x - Step 2: Convert to fraction form
353,357.36/487,646.16 = 202,483.52/x - Step 3: Cross multiply
353,357.36x = 487,646.16 × 202,483.52 - Step 4: Simplify right side
353,357.36x = 98,740,310,991.28 - Step 5: Solve for x
x = 98,740,310,991.28/353,357.36 - Step 6: Final answer
x = 279,434.71
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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.