Finding the Fourth Proportional to 290,440,402.68, 435,789,256.80 and 152,233,164.18
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Solution
The fourth proportional to 290,440,402.68, 435,789,256.80 and 152,233,164.18 is: 228,417,179.11
Step by Step Solution
- Step 1: Write the proportion equation
290,440,402.68 : 435,789,256.80 = 152,233,164.18 : x - Step 2: Convert to fraction form
290,440,402.68/435,789,256.80 = 152,233,164.18/x - Step 3: Cross multiply
290,440,402.68x = 435,789,256.80 × 152,233,164.18 - Step 4: Simplify right side
290,440,402.68x = 66,341,577,478,314,584 - Step 5: Solve for x
x = 66,341,577,478,314,584/290,440,402.68 - Step 6: Final answer
x = 228,417,179.11
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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.