Finding the Fourth Proportional to 468,879.64, 646,815.99 and 296,507.14
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Solution
The fourth proportional to 468,879.64, 646,815.99 and 296,507.14 is: 409,029.40
Step by Step Solution
- Step 1: Write the proportion equation
468,879.64 : 646,815.99 = 296,507.14 : x - Step 2: Convert to fraction form
468,879.64/646,815.99 = 296,507.14/x - Step 3: Cross multiply
468,879.64x = 646,815.99 × 296,507.14 - Step 4: Simplify right side
468,879.64x = 191,785,559,301.17 - Step 5: Solve for x
x = 191,785,559,301.17/468,879.64 - Step 6: Final answer
x = 409,029.40
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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.