Finding the Fourth Proportional to 302,842.05, 454,263.08 and 283,159.05
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Solution
The fourth proportional to 302,842.05, 454,263.08 and 283,159.05 is: 424,738.58
Step by Step Solution
- Step 1: Write the proportion equation
302,842.05 : 454,263.08 = 283,159.05 : x - Step 2: Convert to fraction form
302,842.05/454,263.08 = 283,159.05/x - Step 3: Cross multiply
302,842.05x = 454,263.08 × 283,159.05 - Step 4: Simplify right side
302,842.05x = 128,628,700,767.08 - Step 5: Solve for x
x = 128,628,700,767.08/302,842.05 - Step 6: Final answer
x = 424,738.58
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1.5x scale
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.