Finding the Fourth Proportional to 680,328.12, 1,020,156.84 and 230,885.04
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Solution
The fourth proportional to 680,328.12, 1,020,156.84 and 230,885.04 is: 346,213.75
Step by Step Solution
- Step 1: Write the proportion equation
680,328.12 : 1,020,156.84 = 230,885.04 : x - Step 2: Convert to fraction form
680,328.12/1,020,156.84 = 230,885.04/x - Step 3: Cross multiply
680,328.12x = 1,020,156.84 × 230,885.04 - Step 4: Simplify right side
680,328.12x = 235,538,952,809.67 - Step 5: Solve for x
x = 235,538,952,809.67/680,328.12 - Step 6: Final answer
x = 346,213.75
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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.