Finding the Fourth Proportional to 145,814.37, 201,223.84 and 78,746.37
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Solution
The fourth proportional to 145,814.37, 201,223.84 and 78,746.37 is: 108,670.00
Step by Step Solution
- Step 1: Write the proportion equation
145,814.37 : 201,223.84 = 78,746.37 : x - Step 2: Convert to fraction form
145,814.37/201,223.84 = 78,746.37/x - Step 3: Cross multiply
145,814.37x = 201,223.84 × 78,746.37 - Step 4: Simplify right side
145,814.37x = 15,845,646,957.46 - Step 5: Solve for x
x = 15,845,646,957.46/145,814.37 - Step 6: Final answer
x = 108,670.00
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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.