Finding the Fourth Proportional to 172,813.50, 238,482.63 and 93,325.50
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Solution
The fourth proportional to 172,813.50, 238,482.63 and 93,325.50 is: 128,789.19
Step by Step Solution
- Step 1: Write the proportion equation
172,813.50 : 238,482.63 = 93,325.50 : x - Step 2: Convert to fraction form
172,813.50/238,482.63 = 93,325.50/x - Step 3: Cross multiply
172,813.50x = 238,482.63 × 93,325.50 - Step 4: Simplify right side
172,813.50x = 22,256,510,686.07 - Step 5: Solve for x
x = 22,256,510,686.07/172,813.50 - Step 6: Final answer
x = 128,789.19
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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.