Finding the Fourth Proportional to 559,187.06, 771,699.99 and 317,492.12
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Solution
The fourth proportional to 559,187.06, 771,699.99 and 317,492.12 is: 438,151.53
Step by Step Solution
- Step 1: Write the proportion equation
559,187.06 : 771,699.99 = 317,492.12 : x - Step 2: Convert to fraction form
559,187.06/771,699.99 = 317,492.12/x - Step 3: Cross multiply
559,187.06x = 771,699.99 × 317,492.12 - Step 4: Simplify right side
559,187.06x = 245,008,661,970.58 - Step 5: Solve for x
x = 245,008,661,970.58/559,187.06 - Step 6: Final answer
x = 438,151.53
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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.