Finding the Fourth Proportional to 368,412.76, 508,404.60 and 207,268.07
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Solution
The fourth proportional to 368,412.76, 508,404.60 and 207,268.07 is: 286,027.12
Step by Step Solution
- Step 1: Write the proportion equation
368,412.76 : 508,404.60 = 207,268.07 : x - Step 2: Convert to fraction form
368,412.76/508,404.60 = 207,268.07/x - Step 3: Cross multiply
368,412.76x = 508,404.60 × 207,268.07 - Step 4: Simplify right side
368,412.76x = 105,376,037,679.10 - Step 5: Solve for x
x = 105,376,037,679.10/368,412.76 - Step 6: Final answer
x = 286,027.12
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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.