Finding the Fourth Proportional to 172,860.68, 238,547.40 and 93,372.68
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Solution
The fourth proportional to 172,860.68, 238,547.40 and 93,372.68 is: 128,854.12
Step by Step Solution
- Step 1: Write the proportion equation
172,860.68 : 238,547.40 = 93,372.68 : x - Step 2: Convert to fraction form
172,860.68/238,547.40 = 93,372.68/x - Step 3: Cross multiply
172,860.68x = 238,547.40 × 93,372.68 - Step 4: Simplify right side
172,860.68x = 22,273,810,045.03 - Step 5: Solve for x
x = 22,273,810,045.03/172,860.68 - Step 6: Final answer
x = 128,854.12
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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.