Finding the Fourth Proportional to 539,968.06, 809,941.15 and 140,599.99
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Solution
The fourth proportional to 539,968.06, 809,941.15 and 140,599.99 is: 210,897.14
Step by Step Solution
- Step 1: Write the proportion equation
539,968.06 : 809,941.15 = 140,599.99 : x - Step 2: Convert to fraction form
539,968.06/809,941.15 = 140,599.99/x - Step 3: Cross multiply
539,968.06x = 809,941.15 × 140,599.99 - Step 4: Simplify right side
539,968.06x = 113,877,717,590.59 - Step 5: Solve for x
x = 113,877,717,590.59/539,968.06 - Step 6: Final answer
x = 210,897.14
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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.