Finding the Fourth Proportional to 612,000.08, 918,155.84 and 359,494.12
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Solution
The fourth proportional to 612,000.08, 918,155.84 and 359,494.12 is: 539,332.66
Step by Step Solution
- Step 1: Write the proportion equation
612,000.08 : 918,155.84 = 359,494.12 : x - Step 2: Convert to fraction form
612,000.08/918,155.84 = 359,494.12/x - Step 3: Cross multiply
612,000.08x = 918,155.84 × 359,494.12 - Step 4: Simplify right side
612,000.08x = 330,071,628,917.79 - Step 5: Solve for x
x = 330,071,628,917.79/612,000.08 - Step 6: Final answer
x = 539,332.66
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1.5x scale
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.