Finding the Fourth Proportional to 98,497.80, 147,746.70 and 43,201.80
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Solution
The fourth proportional to 98,497.80, 147,746.70 and 43,201.80 is: 64,802.70
Step by Step Solution
- Step 1: Write the proportion equation
98,497.80 : 147,746.70 = 43,201.80 : x - Step 2: Convert to fraction form
98,497.80/147,746.70 = 43,201.80/x - Step 3: Cross multiply
98,497.80x = 147,746.70 × 43,201.80 - Step 4: Simplify right side
98,497.80x = 6,382,923,384.06 - Step 5: Solve for x
x = 6,382,923,384.06/98,497.80 - Step 6: Final answer
x = 64,802.70
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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.