Finding the Fourth Proportional to 295,752.70, 442,972.95 and 256,386.70
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Solution
The fourth proportional to 295,752.70, 442,972.95 and 256,386.70 is: 384,011.28
Step by Step Solution
- Step 1: Write the proportion equation
295,752.70 : 442,972.95 = 256,386.70 : x - Step 2: Convert to fraction form
295,752.70/442,972.95 = 256,386.70/x - Step 3: Cross multiply
295,752.70x = 442,972.95 × 256,386.70 - Step 4: Simplify right side
295,752.70x = 113,572,372,839.77 - Step 5: Solve for x
x = 113,572,372,839.77/295,752.70 - Step 6: Final answer
x = 384,011.28
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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.