Finding the Fourth Proportional to 565,569.70, 848,347.14 and 139,109.21
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Solution
The fourth proportional to 565,569.70, 848,347.14 and 139,109.21 is: 208,661.99
Step by Step Solution
- Step 1: Write the proportion equation
565,569.70 : 848,347.14 = 139,109.21 : x - Step 2: Convert to fraction form
565,569.70/848,347.14 = 139,109.21/x - Step 3: Cross multiply
565,569.70x = 848,347.14 × 139,109.21 - Step 4: Simplify right side
565,569.70x = 118,012,900,451.16 - Step 5: Solve for x
x = 118,012,900,451.16/565,569.70 - Step 6: Final answer
x = 208,661.99
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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.