Finding the Fourth Proportional to 832,742.64, 1,249,117.20 and 201,657.06
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Solution
The fourth proportional to 832,742.64, 1,249,117.20 and 201,657.06 is: 302,486.37
Step by Step Solution
- Step 1: Write the proportion equation
832,742.64 : 1,249,117.20 = 201,657.06 : x - Step 2: Convert to fraction form
832,742.64/1,249,117.20 = 201,657.06/x - Step 3: Cross multiply
832,742.64x = 1,249,117.20 × 201,657.06 - Step 4: Simplify right side
832,742.64x = 251,893,302,147.43 - Step 5: Solve for x
x = 251,893,302,147.43/832,742.64 - Step 6: Final answer
x = 302,486.37
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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.