Finding the Fourth Proportional to 558,289.84, 837,435.21 and 137,565.76
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Solution
The fourth proportional to 558,289.84, 837,435.21 and 137,565.76 is: 206,348.75
Step by Step Solution
- Step 1: Write the proportion equation
558,289.84 : 837,435.21 = 137,565.76 : x - Step 2: Convert to fraction form
558,289.84/837,435.21 = 137,565.76/x - Step 3: Cross multiply
558,289.84x = 837,435.21 × 137,565.76 - Step 4: Simplify right side
558,289.84x = 115,202,407,271.15 - Step 5: Solve for x
x = 115,202,407,271.15/558,289.84 - Step 6: Final answer
x = 206,348.75
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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.