Finding the Fourth Proportional to 487,927.98, 731,817.99 and 132,970.32
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Solution
The fourth proportional to 487,927.98, 731,817.99 and 132,970.32 is: 199,435.32
Step by Step Solution
- Step 1: Write the proportion equation
487,927.98 : 731,817.99 = 132,970.32 : x - Step 2: Convert to fraction form
487,927.98/731,817.99 = 132,970.32/x - Step 3: Cross multiply
487,927.98x = 731,817.99 × 132,970.32 - Step 4: Simplify right side
487,927.98x = 97,310,072,312.06 - Step 5: Solve for x
x = 97,310,072,312.06/487,927.98 - Step 6: Final answer
x = 199,435.32
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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.