Finding the Fourth Proportional to 745,068.02, 1,117,643.34 and 212,548.10
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Solution
The fourth proportional to 745,068.02, 1,117,643.34 and 212,548.10 is: 318,833.93
Step by Step Solution
- Step 1: Write the proportion equation
745,068.02 : 1,117,643.34 = 212,548.10 : x - Step 2: Convert to fraction form
745,068.02/1,117,643.34 = 212,548.10/x - Step 3: Cross multiply
745,068.02x = 1,117,643.34 × 212,548.10 - Step 4: Simplify right side
745,068.02x = 237,552,968,394.65 - Step 5: Solve for x
x = 237,552,968,394.65/745,068.02 - Step 6: Final answer
x = 318,833.93
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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.