Finding the Fourth Proportional to 554,613.48, 831,941.08 and 155,243.99
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Solution
The fourth proportional to 554,613.48, 831,941.08 and 155,243.99 is: 232,871.83
Step by Step Solution
- Step 1: Write the proportion equation
554,613.48 : 831,941.08 = 155,243.99 : x - Step 2: Convert to fraction form
554,613.48/831,941.08 = 155,243.99/x - Step 3: Cross multiply
554,613.48x = 831,941.08 × 155,243.99 - Step 4: Simplify right side
554,613.48x = 129,153,854,395.85 - Step 5: Solve for x
x = 129,153,854,395.85/554,613.48 - Step 6: Final answer
x = 232,871.83
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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.