Finding the Fourth Proportional to 219,032.84, 302,264.73 and 122,235.68
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Solution
The fourth proportional to 219,032.84, 302,264.73 and 122,235.68 is: 168,684.91
Step by Step Solution
- Step 1: Write the proportion equation
219,032.84 : 302,264.73 = 122,235.68 : x - Step 2: Convert to fraction form
219,032.84/302,264.73 = 122,235.68/x - Step 3: Cross multiply
219,032.84x = 302,264.73 × 122,235.68 - Step 4: Simplify right side
219,032.84x = 36,947,535,567.23 - Step 5: Solve for x
x = 36,947,535,567.23/219,032.84 - Step 6: Final answer
x = 168,684.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.