Finding the Fourth Proportional to 471,878.04, 651,169.26 and 257,017.08
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Solution
The fourth proportional to 471,878.04, 651,169.26 and 257,017.08 is: 354,671.35
Step by Step Solution
- Step 1: Write the proportion equation
471,878.04 : 651,169.26 = 257,017.08 : x - Step 2: Convert to fraction form
471,878.04/651,169.26 = 257,017.08/x - Step 3: Cross multiply
471,878.04x = 651,169.26 × 257,017.08 - Step 4: Simplify right side
471,878.04x = 167,361,621,790.96 - Step 5: Solve for x
x = 167,361,621,790.96/471,878.04 - Step 6: Final answer
x = 354,671.35
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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.