Finding the Fourth Proportional to 148,608.84, 205,076.70 and 84,946.08
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Solution
The fourth proportional to 148,608.84, 205,076.70 and 84,946.08 is: 117,223.59
Step by Step Solution
- Step 1: Write the proportion equation
148,608.84 : 205,076.70 = 84,946.08 : x - Step 2: Convert to fraction form
148,608.84/205,076.70 = 84,946.08/x - Step 3: Cross multiply
148,608.84x = 205,076.70 × 84,946.08 - Step 4: Simplify right side
148,608.84x = 17,420,461,764.34 - Step 5: Solve for x
x = 17,420,461,764.34/148,608.84 - Step 6: Final answer
x = 117,223.59
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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.