Finding the Fourth Proportional to 438,064.74, 657,102.65 and 153,743.81
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Solution
The fourth proportional to 438,064.74, 657,102.65 and 153,743.81 is: 230,617.65
Step by Step Solution
- Step 1: Write the proportion equation
438,064.74 : 657,102.65 = 153,743.81 : x - Step 2: Convert to fraction form
438,064.74/657,102.65 = 153,743.81/x - Step 3: Cross multiply
438,064.74x = 657,102.65 × 153,743.81 - Step 4: Simplify right side
438,064.74x = 101,025,460,917.86 - Step 5: Solve for x
x = 101,025,460,917.86/438,064.74 - Step 6: Final answer
x = 230,617.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.