Finding the Fourth Proportional to 712,498.68, 1,068,750.05 and 172,752.80
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Solution
The fourth proportional to 712,498.68, 1,068,750.05 and 172,752.80 is: 259,129.68
Step by Step Solution
- Step 1: Write the proportion equation
712,498.68 : 1,068,750.05 = 172,752.80 : x - Step 2: Convert to fraction form
712,498.68/1,068,750.05 = 172,752.80/x - Step 3: Cross multiply
712,498.68x = 1,068,750.05 × 172,752.80 - Step 4: Simplify right side
712,498.68x = 184,629,557,430.13 - Step 5: Solve for x
x = 184,629,557,430.13/712,498.68 - Step 6: Final answer
x = 259,129.68
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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.