Finding the Fourth Proportional to 750,136.55, 1,125,004.95 and 210,363.08
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Solution
The fourth proportional to 750,136.55, 1,125,004.95 and 210,363.08 is: 315,488.56
Step by Step Solution
- Step 1: Write the proportion equation
750,136.55 : 1,125,004.95 = 210,363.08 : x - Step 2: Convert to fraction form
750,136.55/1,125,004.95 = 210,363.08/x - Step 3: Cross multiply
750,136.55x = 1,125,004.95 × 210,363.08 - Step 4: Simplify right side
750,136.55x = 236,659,500,672.22 - Step 5: Solve for x
x = 236,659,500,672.22/750,136.55 - Step 6: Final answer
x = 315,488.56
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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.