Finding the Fourth Proportional to 178,547.99, 246,395.55 and 97,976.87
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Solution
The fourth proportional to 178,547.99, 246,395.55 and 97,976.87 is: 135,207.70
Step by Step Solution
- Step 1: Write the proportion equation
178,547.99 : 246,395.55 = 97,976.87 : x - Step 2: Convert to fraction form
178,547.99/246,395.55 = 97,976.87/x - Step 3: Cross multiply
178,547.99x = 246,395.55 × 97,976.87 - Step 4: Simplify right side
178,547.99x = 24,141,063,538.95 - Step 5: Solve for x
x = 24,141,063,538.95/178,547.99 - Step 6: Final answer
x = 135,207.70
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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.