Finding the Fourth Proportional to 549,509.01, 758,313.50 and 307,790.97
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Solution
The fourth proportional to 549,509.01, 758,313.50 and 307,790.97 is: 424,746.53
Step by Step Solution
- Step 1: Write the proportion equation
549,509.01 : 758,313.50 = 307,790.97 : x - Step 2: Convert to fraction form
549,509.01/758,313.50 = 307,790.97/x - Step 3: Cross multiply
549,509.01x = 758,313.50 × 307,790.97 - Step 4: Simplify right side
549,509.01x = 233,402,046,190.14 - Step 5: Solve for x
x = 233,402,046,190.14/549,509.01 - Step 6: Final answer
x = 424,746.53
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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.