Finding the Fourth Proportional to 549,228.84, 758,015.36 and 307,526.98
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Solution
The fourth proportional to 549,228.84, 758,015.36 and 307,526.98 is: 424,431.78
Step by Step Solution
- Step 1: Write the proportion equation
549,228.84 : 758,015.36 = 307,526.98 : x - Step 2: Convert to fraction form
549,228.84/758,015.36 = 307,526.98/x - Step 3: Cross multiply
549,228.84x = 758,015.36 × 307,526.98 - Step 4: Simplify right side
549,228.84x = 233,110,172,738.08 - Step 5: Solve for x
x = 233,110,172,738.08/549,228.84 - Step 6: Final answer
x = 424,431.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.