Finding the Fourth Proportional to 518,202.05, 775,547.40 and 318,648.83
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Solution
The fourth proportional to 518,202.05, 775,547.40 and 318,648.83 is: 476,893.66
Step by Step Solution
- Step 1: Write the proportion equation
518,202.05 : 775,547.40 = 318,648.83 : x - Step 2: Convert to fraction form
518,202.05/775,547.40 = 318,648.83/x - Step 3: Cross multiply
518,202.05x = 775,547.40 × 318,648.83 - Step 4: Simplify right side
518,202.05x = 247,127,271,619.54 - Step 5: Solve for x
x = 247,127,271,619.54/518,202.05 - Step 6: Final answer
x = 476,893.66
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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.