Finding the Fourth Proportional to 490,637.09, 735,955.04 and 153,703.98
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Solution
The fourth proportional to 490,637.09, 735,955.04 and 153,703.98 is: 230,555.78
Step by Step Solution
- Step 1: Write the proportion equation
490,637.09 : 735,955.04 = 153,703.98 : x - Step 2: Convert to fraction form
490,637.09/735,955.04 = 153,703.98/x - Step 3: Cross multiply
490,637.09x = 735,955.04 × 153,703.98 - Step 4: Simplify right side
490,637.09x = 113,119,217,980.54 - Step 5: Solve for x
x = 113,119,217,980.54/490,637.09 - Step 6: Final answer
x = 230,555.78
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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.