Finding the Fourth Proportional to 344,345.07, 475,252.60 and 286,893.28
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Solution
The fourth proportional to 344,345.07, 475,252.60 and 286,893.28 is: 395,959.72
Step by Step Solution
- Step 1: Write the proportion equation
344,345.07 : 475,252.60 = 286,893.28 : x - Step 2: Convert to fraction form
344,345.07/475,252.60 = 286,893.28/x - Step 3: Cross multiply
344,345.07x = 475,252.60 × 286,893.28 - Step 4: Simplify right side
344,345.07x = 136,346,775,808.06 - Step 5: Solve for x
x = 136,346,775,808.06/344,345.07 - Step 6: Final answer
x = 395,959.72
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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.