Finding the Fourth Proportional to 313,370.84, 432,451.76 and 170,130.88
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Solution
The fourth proportional to 313,370.84, 432,451.76 and 170,130.88 is: 234,780.61
Step by Step Solution
- Step 1: Write the proportion equation
313,370.84 : 432,451.76 = 170,130.88 : x - Step 2: Convert to fraction form
313,370.84/432,451.76 = 170,130.88/x - Step 3: Cross multiply
313,370.84x = 432,451.76 × 170,130.88 - Step 4: Simplify right side
313,370.84x = 73,573,398,486.35 - Step 5: Solve for x
x = 73,573,398,486.35/313,370.84 - Step 6: Final answer
x = 234,780.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.