Finding the Fourth Proportional to 538,881.80, 808,322.70 and 183,777.80
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Solution
The fourth proportional to 538,881.80, 808,322.70 and 183,777.80 is: 275,666.70
Step by Step Solution
- Step 1: Write the proportion equation
538,881.80 : 808,322.70 = 183,777.80 : x - Step 2: Convert to fraction form
538,881.80/808,322.70 = 183,777.80/x - Step 3: Cross multiply
538,881.80x = 808,322.70 × 183,777.80 - Step 4: Simplify right side
538,881.80x = 148,551,767,496.06 - Step 5: Solve for x
x = 148,551,767,496.06/538,881.80 - Step 6: Final answer
x = 275,666.70
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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.