Finding the Fourth Proportional to 359,417.19, 539,033.53 and 106,637.88
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Solution
The fourth proportional to 359,417.19, 539,033.53 and 106,637.88 is: 159,929.45
Step by Step Solution
- Step 1: Write the proportion equation
359,417.19 : 539,033.53 = 106,637.88 : x - Step 2: Convert to fraction form
359,417.19/539,033.53 = 106,637.88/x - Step 3: Cross multiply
359,417.19x = 539,033.53 × 106,637.88 - Step 4: Simplify right side
359,417.19x = 57,481,392,888.12 - Step 5: Solve for x
x = 57,481,392,888.12/359,417.19 - Step 6: Final answer
x = 159,929.45
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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.