Finding the Fourth Proportional to 452,986.64, 679,480.08 and 133,138.52
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Solution
The fourth proportional to 452,986.64, 679,480.08 and 133,138.52 is: 199,707.82
Step by Step Solution
- Step 1: Write the proportion equation
452,986.64 : 679,480.08 = 133,138.52 : x - Step 2: Convert to fraction form
452,986.64/679,480.08 = 133,138.52/x - Step 3: Cross multiply
452,986.64x = 679,480.08 × 133,138.52 - Step 4: Simplify right side
452,986.64x = 90,464,972,220.68 - Step 5: Solve for x
x = 90,464,972,220.68/452,986.64 - Step 6: Final answer
x = 199,707.82
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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.