Finding the Fourth Proportional to 805,312.32, 1,207,968.74 and 236,693.52
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Solution
The fourth proportional to 805,312.32, 1,207,968.74 and 236,693.52 is: 355,040.35
Step by Step Solution
- Step 1: Write the proportion equation
805,312.32 : 1,207,968.74 = 236,693.52 : x - Step 2: Convert to fraction form
805,312.32/1,207,968.74 = 236,693.52/x - Step 3: Cross multiply
805,312.32x = 1,207,968.74 × 236,693.52 - Step 4: Simplify right side
805,312.32x = 285,918,371,937.10 - Step 5: Solve for x
x = 285,918,371,937.10/805,312.32 - Step 6: Final answer
x = 355,040.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.