Finding the Fourth Proportional to 558,211.84, 837,317.76 and 137,495.68
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Solution
The fourth proportional to 558,211.84, 837,317.76 and 137,495.68 is: 206,243.52
Step by Step Solution
- Step 1: Write the proportion equation
558,211.84 : 837,317.76 = 137,495.68 : x - Step 2: Convert to fraction form
558,211.84/837,317.76 = 137,495.68/x - Step 3: Cross multiply
558,211.84x = 837,317.76 × 137,495.68 - Step 4: Simplify right side
558,211.84x = 115,127,574,787.28 - Step 5: Solve for x
x = 115,127,574,787.28/558,211.84 - Step 6: Final answer
x = 206,243.52
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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.