Finding the Fourth Proportional to 257,784.00, 386,583.73 and 89,259.08
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Solution
The fourth proportional to 257,784.00, 386,583.73 and 89,259.08 is: 133,856.67
Step by Step Solution
- Step 1: Write the proportion equation
257,784.00 : 386,583.73 = 89,259.08 : x - Step 2: Convert to fraction form
257,784.00/386,583.73 = 89,259.08/x - Step 3: Cross multiply
257,784.00x = 386,583.73 × 89,259.08 - Step 4: Simplify right side
257,784.00x = 34,506,108,101.24 - Step 5: Solve for x
x = 34,506,108,101.24/257,784.00 - Step 6: Final answer
x = 133,856.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.