Finding the Fourth Proportional to 538,588.23, 808,000.80 and 159,538.60
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Solution
The fourth proportional to 538,588.23, 808,000.80 and 159,538.60 is: 239,342.99
Step by Step Solution
- Step 1: Write the proportion equation
538,588.23 : 808,000.80 = 159,538.60 : x - Step 2: Convert to fraction form
538,588.23/808,000.80 = 159,538.60/x - Step 3: Cross multiply
538,588.23x = 808,000.80 × 159,538.60 - Step 4: Simplify right side
538,588.23x = 128,907,316,430.88 - Step 5: Solve for x
x = 128,907,316,430.88/538,588.23 - Step 6: Final answer
x = 239,342.99
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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.