Finding the Fourth Proportional to 178,547.06, 246,386.66 and 97,972.58
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Solution
The fourth proportional to 178,547.06, 246,386.66 and 97,972.58 is: 135,197.62
Step by Step Solution
- Step 1: Write the proportion equation
178,547.06 : 246,386.66 = 97,972.58 : x - Step 2: Convert to fraction form
178,547.06/246,386.66 = 97,972.58/x - Step 3: Cross multiply
178,547.06x = 246,386.66 × 97,972.58 - Step 4: Simplify right side
178,547.06x = 24,139,136,757.78 - Step 5: Solve for x
x = 24,139,136,757.78/178,547.06 - Step 6: Final answer
x = 135,197.62
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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.