Finding the Fourth Proportional to 549,429.48, 758,203.74 and 307,710.09
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Solution
The fourth proportional to 549,429.48, 758,203.74 and 307,710.09 is: 424,634.92
Step by Step Solution
- Step 1: Write the proportion equation
549,429.48 : 758,203.74 = 307,710.09 : x - Step 2: Convert to fraction form
549,429.48/758,203.74 = 307,710.09/x - Step 3: Cross multiply
549,429.48x = 758,203.74 × 307,710.09 - Step 4: Simplify right side
549,429.48x = 233,306,941,073.74 - Step 5: Solve for x
x = 233,306,941,073.74/549,429.48 - Step 6: Final answer
x = 424,634.92
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1.5x scale
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.