Finding the Fourth Proportional to 474,917.04, 655,386.60 and 257,128.08
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Solution
The fourth proportional to 474,917.04, 655,386.60 and 257,128.08 is: 354,837.34
Step by Step Solution
- Step 1: Write the proportion equation
474,917.04 : 655,386.60 = 257,128.08 : x - Step 2: Convert to fraction form
474,917.04/655,386.60 = 257,128.08/x - Step 3: Cross multiply
474,917.04x = 655,386.60 × 257,128.08 - Step 4: Simplify right side
474,917.04x = 168,518,298,115.73 - Step 5: Solve for x
x = 168,518,298,115.73/474,917.04 - Step 6: Final answer
x = 354,837.34
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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.