Finding the Fourth Proportional to 542,053.89, 813,210.03 and 187,070.99
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Solution
The fourth proportional to 542,053.89, 813,210.03 and 187,070.99 is: 280,651.06
Step by Step Solution
- Step 1: Write the proportion equation
542,053.89 : 813,210.03 = 187,070.99 : x - Step 2: Convert to fraction form
542,053.89/813,210.03 = 187,070.99/x - Step 3: Cross multiply
542,053.89x = 813,210.03 × 187,070.99 - Step 4: Simplify right side
542,053.89x = 152,128,001,323.98 - Step 5: Solve for x
x = 152,128,001,323.98/542,053.89 - Step 6: Final answer
x = 280,651.06
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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.