Finding the Fourth Proportional to 438,260.52, 657,763.80 and 172,207.08
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Solution
The fourth proportional to 438,260.52, 657,763.80 and 172,207.08 is: 258,457.19
Step by Step Solution
- Step 1: Write the proportion equation
438,260.52 : 657,763.80 = 172,207.08 : x - Step 2: Convert to fraction form
438,260.52/657,763.80 = 172,207.08/x - Step 3: Cross multiply
438,260.52x = 657,763.80 × 172,207.08 - Step 4: Simplify right side
438,260.52x = 113,271,583,327.70 - Step 5: Solve for x
x = 113,271,583,327.70/438,260.52 - Step 6: Final answer
x = 258,457.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.