Finding the Fourth Proportional to 154,312.86, 212,937.75 and 97,723.02
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Solution
The fourth proportional to 154,312.86, 212,937.75 and 97,723.02 is: 134,848.90
Step by Step Solution
- Step 1: Write the proportion equation
154,312.86 : 212,937.75 = 97,723.02 : x - Step 2: Convert to fraction form
154,312.86/212,937.75 = 97,723.02/x - Step 3: Cross multiply
154,312.86x = 212,937.75 × 97,723.02 - Step 4: Simplify right side
154,312.86x = 20,808,920,002.01 - Step 5: Solve for x
x = 20,808,920,002.01/154,312.86 - Step 6: Final answer
x = 134,848.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.