Finding the Fourth Proportional to 287,124.61, 430,726.32 and 97,534.09
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Solution
The fourth proportional to 287,124.61, 430,726.32 and 97,534.09 is: 146,314.52
Step by Step Solution
- Step 1: Write the proportion equation
287,124.61 : 430,726.32 = 97,534.09 : x - Step 2: Convert to fraction form
287,124.61/430,726.32 = 97,534.09/x - Step 3: Cross multiply
287,124.61x = 430,726.32 × 97,534.09 - Step 4: Simplify right side
287,124.61x = 42,010,498,461.52 - Step 5: Solve for x
x = 42,010,498,461.52/287,124.61 - Step 6: Final answer
x = 146,314.52
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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.