Finding the Fourth Proportional to 249,646.24, 374,524.74 and 72,139.80
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Solution
The fourth proportional to 249,646.24, 374,524.74 and 72,139.80 is: 108,225.70
Step by Step Solution
- Step 1: Write the proportion equation
249,646.24 : 374,524.74 = 72,139.80 : x - Step 2: Convert to fraction form
249,646.24/374,524.74 = 72,139.80/x - Step 3: Cross multiply
249,646.24x = 374,524.74 × 72,139.80 - Step 4: Simplify right side
249,646.24x = 27,018,139,838.65 - Step 5: Solve for x
x = 27,018,139,838.65/249,646.24 - Step 6: Final answer
x = 108,225.70
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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.