Finding the Fourth Proportional to 249,474.30, 374,211.45 and 245,537.70
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Solution
The fourth proportional to 249,474.30, 374,211.45 and 245,537.70 is: 368,306.55
Step by Step Solution
- Step 1: Write the proportion equation
249,474.30 : 374,211.45 = 245,537.70 : x - Step 2: Convert to fraction form
249,474.30/374,211.45 = 245,537.70/x - Step 3: Cross multiply
249,474.30x = 374,211.45 × 245,537.70 - Step 4: Simplify right side
249,474.30x = 91,883,018,746.67 - Step 5: Solve for x
x = 91,883,018,746.67/249,474.30 - Step 6: Final answer
x = 368,306.55
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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.