Finding the Fourth Proportional to 409,646.42, 615,486.02 and 265,643.87
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Solution
The fourth proportional to 409,646.42, 615,486.02 and 265,643.87 is: 399,124.90
Step by Step Solution
- Step 1: Write the proportion equation
409,646.42 : 615,486.02 = 265,643.87 : x - Step 2: Convert to fraction form
409,646.42/615,486.02 = 265,643.87/x - Step 3: Cross multiply
409,646.42x = 615,486.02 × 265,643.87 - Step 4: Simplify right side
409,646.42x = 163,500,083,878.05 - Step 5: Solve for x
x = 163,500,083,878.05/409,646.42 - Step 6: Final answer
x = 399,124.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.