Finding the Fourth Proportional to 287,966.24, 432,012.35 and 88,302.18
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Solution
The fourth proportional to 287,966.24, 432,012.35 and 88,302.18 is: 132,472.59
Step by Step Solution
- Step 1: Write the proportion equation
287,966.24 : 432,012.35 = 88,302.18 : x - Step 2: Convert to fraction form
287,966.24/432,012.35 = 88,302.18/x - Step 3: Cross multiply
287,966.24x = 432,012.35 × 88,302.18 - Step 4: Simplify right side
287,966.24x = 38,147,634,132.72 - Step 5: Solve for x
x = 38,147,634,132.72/287,966.24 - Step 6: Final answer
x = 132,472.59
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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.