Finding the Fourth Proportional to 442,926.68, 664,683.15 and 243,386.02
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Solution
The fourth proportional to 442,926.68, 664,683.15 and 243,386.02 is: 365,240.10
Step by Step Solution
- Step 1: Write the proportion equation
442,926.68 : 664,683.15 = 243,386.02 : x - Step 2: Convert to fraction form
442,926.68/664,683.15 = 243,386.02/x - Step 3: Cross multiply
442,926.68x = 664,683.15 × 243,386.02 - Step 4: Simplify right side
442,926.68x = 161,774,583,075.23 - Step 5: Solve for x
x = 161,774,583,075.23/442,926.68 - Step 6: Final answer
x = 365,240.10
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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.