Finding the Fourth Proportional to 565,573.70, 848,353.14 and 139,113.21
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Solution
The fourth proportional to 565,573.70, 848,353.14 and 139,113.21 is: 208,667.99
Step by Step Solution
- Step 1: Write the proportion equation
565,573.70 : 848,353.14 = 139,113.21 : x - Step 2: Convert to fraction form
565,573.70/848,353.14 = 139,113.21/x - Step 3: Cross multiply
565,573.70x = 848,353.14 × 139,113.21 - Step 4: Simplify right side
565,573.70x = 118,017,128,518.98 - Step 5: Solve for x
x = 118,017,128,518.98/565,573.70 - Step 6: Final answer
x = 208,667.99
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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.