Finding the Fourth Proportional to 913,520.58, 1,370,248.06 and 239,596.53
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Solution
The fourth proportional to 913,520.58, 1,370,248.06 and 239,596.53 is: 359,386.19
Step by Step Solution
- Step 1: Write the proportion equation
913,520.58 : 1,370,248.06 = 239,596.53 : x - Step 2: Convert to fraction form
913,520.58/1,370,248.06 = 239,596.53/x - Step 3: Cross multiply
913,520.58x = 1,370,248.06 × 239,596.53 - Step 4: Simplify right side
913,520.58x = 328,306,675,127.05 - Step 5: Solve for x
x = 328,306,675,127.05/913,520.58 - Step 6: Final answer
x = 359,386.19
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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.