Finding the Fourth Proportional to 205,374.73, 307,312.73 and 121,175.23
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Solution
The fourth proportional to 205,374.73, 307,312.73 and 121,175.23 is: 181,320.70
Step by Step Solution
- Step 1: Write the proportion equation
205,374.73 : 307,312.73 = 121,175.23 : x - Step 2: Convert to fraction form
205,374.73/307,312.73 = 121,175.23/x - Step 3: Cross multiply
205,374.73x = 307,312.73 × 121,175.23 - Step 4: Simplify right side
205,374.73x = 37,238,688,597.24 - Step 5: Solve for x
x = 37,238,688,597.24/205,374.73 - Step 6: Final answer
x = 181,320.70
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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.