Finding the Fourth Proportional to 565,547.70, 848,314.14 and 139,087.21
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Solution
The fourth proportional to 565,547.70, 848,314.14 and 139,087.21 is: 208,628.99
Step by Step Solution
- Step 1: Write the proportion equation
565,547.70 : 848,314.14 = 139,087.21 : x - Step 2: Convert to fraction form
565,547.70/848,314.14 = 139,087.21/x - Step 3: Cross multiply
565,547.70x = 848,314.14 × 139,087.21 - Step 4: Simplify right side
565,547.70x = 117,989,646,936.15 - Step 5: Solve for x
x = 117,989,646,936.15/565,547.70 - Step 6: Final answer
x = 208,628.99
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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.