Finding the Fourth Proportional to 475,130.66, 712,621.68 and 155,279.98
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Solution
The fourth proportional to 475,130.66, 712,621.68 and 155,279.98 is: 232,895.68
Step by Step Solution
- Step 1: Write the proportion equation
475,130.66 : 712,621.68 = 155,279.98 : x - Step 2: Convert to fraction form
475,130.66/712,621.68 = 155,279.98/x - Step 3: Cross multiply
475,130.66x = 712,621.68 × 155,279.98 - Step 4: Simplify right side
475,130.66x = 110,655,880,217.97 - Step 5: Solve for x
x = 110,655,880,217.97/475,130.66 - Step 6: Final answer
x = 232,895.68
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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.